Gaya APA

Hali, J, E., Weaver, B, R. (1985). A SYSTEMS APPROACH TO COMMUNITY HEALTH (SECOND EDITION). USA: J.B LIPPINCOTT COMANY.

Gaya MLA

Hali, Joanne, E.., Weaver, Barbara, Redding. "A SYSTEMS APPROACH TO COMMUNITY HEALTH". SECOND EDITION USA: J.B LIPPINCOTT COMANY, 1985. Buku Text.