APA (7e ed.) Bronvermelding

Greenberg, J. (1972). In this sign. Avon Publishers of bard.

Chicago (17e ed.) Bronvermelding

Greenberg, Joanne. In This Sign. New York: Avon Publishers of bard, 1972.

MLA (9e ed.) Bronvermelding

Greenberg, Joanne. In This Sign. Avon Publishers of bard, 1972.