Citazione Stile APA (7a Edizione)

Serrano, J. B., & Rustia, E. F. (1974). Effective english for college freshman. University of Santo Tomas.

Citazione stile Chigago Style (17a edizione)

Serrano, Josephine B., e Erlinda F. Rustia. Effective English for College Freshman. Manila: University of Santo Tomas, 1974.

Citatione MLA (9a ed.)

Serrano, Josephine B., e Erlinda F. Rustia. Effective English for College Freshman. University of Santo Tomas, 1974.