{
  "book": {
    "authors": [
      "National Learning Corporation"
    ],
    "authorship": "known",
    "publisher": "National Learning Corporation",
    "title": "Traffic Engineer II"
  },
  "cached": true,
  "citations": {
    "apa": "National Learning Corporation. (n.d.). Traffic Engineer II. National Learning Corporation.",
    "bibtex": "@book{isbn9781731840851,\n  title = {Traffic Engineer II},\n  author = {{National Learning Corporation}},\n  publisher = {National Learning Corporation},\n  language = {eng},\n  isbn = {9781731840851},\n}",
    "chicago": "National Learning Corporation. Traffic Engineer II. National Learning Corporation, n.d.",
    "mla": "National Learning Corporation. Traffic Engineer II. National Learning Corporation.",
    "wp": "{{cite book |title=Traffic Engineer II |author1=National Learning Corporation |publisher=National Learning Corporation |language=en |isbn=9781731840851}}"
  },
  "consulted": {
    "answered": 1,
    "consulted": 1,
    "not_asked": 0,
    "not_held": 0
  },
  "found": true,
  "isbn": {
    "input": "9781731840851",
    "isbn13": "9781731840851",
    "normalized": "9781731840851",
    "valid": true
  },
  "ok": true,
  "quality": {
    "state": "partial",
    "omissions": [
      {
        "field": "issued",
        "reason": "missing_evidence"
      },
      {
        "field": "responsibility",
        "reason": "unverified_roles"
      }
    ]
  },
  "supported_styles": [
    "mla",
    "apa",
    "chicago",
    "wp",
    "bibtex"
  ]
}
