APA (7e ed.) Bronvermelding

Ferguson, E. A. (1969). Social work: An introduction (2d ed.). Lippincott.

Chicago (17e ed.) Bronvermelding

Ferguson, Elizabeth A. Social Work: An Introduction. 2d ed. Philadelphia: Lippincott, 1969.

MLA (8e ed.) Bronvermelding

Ferguson, Elizabeth A. Social Work: An Introduction. 2d ed. Lippincott, 1969.