APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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