Cita APA (7th ed.)

Mannion, M., Gurr, M. R., Davis, A. E., & Wisch, N. (1970). Blood Groups a Programmed Learning Manual. Medical Examination Publishing Company.

Cita Chicago (17th ed.)

Mannion, Margaret, Majorie R. Gurr, Audrey E. Davis, i Nathaniel Wisch. Blood Groups a Programmed Learning Manual. New York: Medical Examination Publishing Company, 1970.

Cita MLA (9th ed.)

Mannion, Margaret, et al. Blood Groups a Programmed Learning Manual. Medical Examination Publishing Company, 1970.