Citazione Stile APA (7a Edizione)

Lehmann, S., & Spohrer, J. H. (1993). The Year's Work in Collection Development, 1992.

Citazione stile Chigago Style (17a edizione)

Lehmann, Stephen, e James H. Spohrer. The Year's Work in Collection Development, 1992. 1993.

Citatione MLA (9a ed.)

Lehmann, Stephen, e James H. Spohrer. The Year's Work in Collection Development, 1992. 1993.