APA (7th ed.) Citation

Ramos, C. M., & Sanchez, A. (1986). Developing skills in grammar and composition 1. National Book Store.

Chicago Style (17th ed.) Citation

Ramos, Carmen M., and Amelia Sanchez. Developing Skills in Grammar and Composition 1. Metro Manila: National Book Store, 1986.

MLA (9th ed.) Citation

Ramos, Carmen M., and Amelia Sanchez. Developing Skills in Grammar and Composition 1. National Book Store, 1986.

Warning: These citations may not always be 100% accurate.