APA-referens (7:e uppl.)

Fawcett, J., & Downs, F. S. (1992). The relationship of theory and research (2nd ed.). F.A. Davis.

Chicago-referens (17:e uppl.)

Fawcett, Jacqueline, och Florence S. Downs. The Relationship of Theory and Research. 2nd ed. Philadelphia: F.A. Davis, 1992.

MLA-referens (9:e uppl.)

Fawcett, Jacqueline, och Florence S. Downs. The Relationship of Theory and Research. 2nd ed. F.A. Davis, 1992.