Cita APA (7th ed.)

Sanchez, F. S., Morelos, S. I., & Baltazar, J. C. (1989). Planning research. Philippine Council for Health Research and Development.

Cita Chicago (17th ed.)

Sanchez, Fernando S., Susie I. Morelos, i Jane C. Baltazar. Planning Research. Manila: Philippine Council for Health Research and Development, 1989.

Cita MLA (9th ed.)

Sanchez, Fernando S., et al. Planning Research. Philippine Council for Health Research and Development, 1989.