Cita APA (7a ed.)

Philippine Deaf Resource Center, Philippine Federation of the Deaf, Tiongson, P. A., & Martinez, L. B. (2004). An Introduction to Filipino sign language. Philippine Deaf Resource Center, Inc.

Cita Chicago Style (17a ed.)

Philippine Deaf Resource Center, Philippine Federation of the Deaf, Perpilili A. Tiongson, y Liza B. Martinez. An Introduction to Filipino Sign Language. [Quezon City]: Philippine Deaf Resource Center, Inc, 2004.

Cita MLA (9a ed.)

Philippine Deaf Resource Center, et al. An Introduction to Filipino Sign Language. Philippine Deaf Resource Center, Inc, 2004.