APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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