APA (7th ed.) Citation

Robles, F. C. (1988). Developing English proficiency in college. Goodwill Trading Company.

Chicago Style (17th ed.) Citation

Robles, Felicidad C. Developing English Proficiency in College. Manila: Goodwill Trading Company, 1988.

MLA (9th ed.) Citation

Robles, Felicidad C. Developing English Proficiency in College. Goodwill Trading Company, 1988.