APA Citatie

Kent A. (1978). Introduction to reference work vol. 2. Mc-graw-hill Book com.

Chicago Style citaat

Kent A. Introduction to Reference Work Vol. 2. New York: Mc-graw-hill Book com, 1978.

MLA citatie

Kent A. Introduction to Reference Work Vol. 2. Mc-graw-hill Book com, 1978.