APA (7th ed.) Citation

De Guzman, M. O. (1973). Grammar and idioms self-taught. National Book Store.

Chicago Style (17th ed.) Citation

De Guzman, Maria Odulio. Grammar and Idioms Self-taught. [Manila]: National Book Store, 1973.

MLA (9th ed.) Citation

De Guzman, Maria Odulio. Grammar and Idioms Self-taught. National Book Store, 1973.