Cita APA (7th ed.)

Concepcion, M. B., & Smith, P. C. (1977). The demographic situation in the Philippines: An assessment in 1977. East-West Center.

Cita Chicago (17th ed.)

Concepcion, Mercedes B., i Peter Colin Smith. The Demographic Situation in the Philippines: An Assessment in 1977. Honolulu: East-West Center, 1977.

Cita MLA (9th ed.)

Concepcion, Mercedes B., i Peter Colin Smith. The Demographic Situation in the Philippines: An Assessment in 1977. East-West Center, 1977.