APA (7e ed.) Bronvermelding

BIRNBAUM, S. [., & BIRNBAUM, A. M. [. (1990). Birnbaum's Great Britain 1991. Houghton Mifflin Co.

Chicago (17e ed.) Bronvermelding

BIRNBAUM, Stephen [Ed.], en Alexandra Mayes [Ed.] BIRNBAUM. Birnbaum's Great Britain 1991. Boston: Houghton Mifflin Co, 1990.

MLA (9e ed.) Bronvermelding

BIRNBAUM, Stephen [Ed.], en Alexandra Mayes [Ed.] BIRNBAUM. Birnbaum's Great Britain 1991. Houghton Mifflin Co, 1990.