Gaya APA

Dignan, M, B., Carr, P, A. (1992). Program Planning for health education and promotion (Secon Edition). Philadelphia: Lea & Febriger.

Gaya MLA

Dignan, Mark, B.., Carr, Patricia, A.. "Program Planning for health education and promotion". Secon Edition Philadelphia: Lea & Febriger, 1992. Text.