APA (7e ed.) Bronvermelding

Cowdry, E. V., & Steinberg, F. U. (1976). Cowdry's the care of the geniatric patient (5th ed.). Mosby.

Chicago (17e ed.) Bronvermelding

Cowdry, E. V., en Franz U. Steinberg. Cowdry's the Care of the Geniatric Patient. 5th ed. Saint Louis: Mosby, 1976.

MLA (9e ed.) Bronvermelding

Cowdry, E. V., en Franz U. Steinberg. Cowdry's the Care of the Geniatric Patient. 5th ed. Mosby, 1976.