Citazione Stile APA (7a Edizione)

Gonzales, E. S., & Leong, C. F. (2011). History of the Philippines. Innovative Educational Materials, Inc.

Citazione stile Chigago Style (17a edizione)

Gonzales, Emmanuel Signo, e Conchita Fermin Leong. History of the Philippines. Manila: Innovative Educational Materials, Inc, 2011.

Citatione MLA (9a ed.)

Gonzales, Emmanuel Signo, e Conchita Fermin Leong. History of the Philippines. Innovative Educational Materials, Inc, 2011.