APA (7e ed.) Bronvermelding

Williams, S. J. (1995). Essentials of health services. Delmar.

Chicago (17e ed.) Bronvermelding

Williams, Stephen J. Essentials of Health Services. Albany, N.Y: Delmar, 1995.

MLA (9e ed.) Bronvermelding

Williams, Stephen J. Essentials of Health Services. Delmar, 1995.