Citazione Stile APA (7a Edizione)

McCullough, K. (1972). Approval Plans: Vendor Responsibility and Library Research. A Literature Survey and Discussion.

Citazione stile Chigago Style (17a edizione)

McCullough, Kathleen. Approval Plans: Vendor Responsibility and Library Research. A Literature Survey and Discussion. 1972.

Citatione MLA (9a ed.)

McCullough, Kathleen. Approval Plans: Vendor Responsibility and Library Research. A Literature Survey and Discussion. 1972.