Cita APA (7th ed.)

Guerrero, S. H., & Layo, L. L. (1979). The impact of the Panay Unified Health Services (PUHS): A research design. Philippine Center for Economic Development.

Cita Chicago (17th ed.)

Guerrero, Sylvia H., i Leda L. Layo. The Impact of the Panay Unified Health Services (PUHS): A Research Design. Quezon City: Philippine Center for Economic Development, 1979.

Cita MLA (9th ed.)

Guerrero, Sylvia H., i Leda L. Layo. The Impact of the Panay Unified Health Services (PUHS): A Research Design. Philippine Center for Economic Development, 1979.