Citazione Stile APA (7a Edizione)

Gorman, G., & Howes, B. (1989). Collection development for libraries. Bowker-Saur.

Citazione stile Chigago Style (17a edizione)

Gorman, G.E, e B.R Howes. Collection Development for Libraries. London: Bowker-Saur, 1989.

Citatione MLA (9a ed.)

Gorman, G.E, e B.R Howes. Collection Development for Libraries. Bowker-Saur, 1989.