APA (7th ed.) Citation

Perez, P., & De Leon, A. P. (1999). ELF story book: Paaralang bayan, paaralang buhay. Education for Life Foundation.

Chicago Style (17th ed.) Citation

Perez, Padma, and Arnan P. De Leon. ELF Story Book: Paaralang Bayan, Paaralang Buhay. Quezon City: Education for Life Foundation, 1999.

MLA (9th ed.) Citation

Perez, Padma, and Arnan P. De Leon. ELF Story Book: Paaralang Bayan, Paaralang Buhay. Education for Life Foundation, 1999.