APA-referens (7:e uppl.)

Crawford, J. (2000). Evaluation of library and information services (2nd ed.). Aslib.

Chicago-referens (17:e uppl.)

Crawford, John. Evaluation of Library and Information Services. 2nd ed. London: Aslib, 2000.

MLA-referens (9:e uppl.)

Crawford, John. Evaluation of Library and Information Services. 2nd ed. Aslib, 2000.