Cita APA (7th ed.)

Guerrero, S. H., & Layo, L. L. (1979). The impact of unified health services: A review of the literature. Philippine Center for Economic Development.

Cita Chicago (17th ed.)

Guerrero, Sylvia H., i Leda L. Layo. The Impact of Unified Health Services: A Review of the Literature. Quezon City: Philippine Center for Economic Development, 1979.

Cita MLA (9th ed.)

Guerrero, Sylvia H., i Leda L. Layo. The Impact of Unified Health Services: A Review of the Literature. Philippine Center for Economic Development, 1979.