Citazione Stile APA (7a Edizione)

McCullough, K. (1974). Evaluation of an approval plan: Vendor and publisher performance. Purdue Univ. Libraries.

Citazione stile Chigago Style (17a edizione)

McCullough, Kathleen. Evaluation of an Approval Plan: Vendor and Publisher Performance. W. Lafayette, Indiana: Purdue Univ. Libraries, 1974.

Citatione MLA (8a ed.)

McCullough, Kathleen. Evaluation of an Approval Plan: Vendor and Publisher Performance. Purdue Univ. Libraries, 1974.