Παραπομπή σε μορφή APA (7η εκδ.)

Velasquez, C. C., & Asis, C. V. (1993). Modern biology (Philippine version): With biology investigations (Revised edition.). National Book Store, Inc.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Velasquez, Carmen Camacho, και Consuelo Villamor Asis. Modern Biology (Philippine Version): With Biology Investigations. Revised edition. [Mandaluyong City, Metro Manila]: National Book Store, Inc, 1993.

Παραπομπή σε μορφή MLA (9th εκδ.)

Velasquez, Carmen Camacho, και Consuelo Villamor Asis. Modern Biology (Philippine Version): With Biology Investigations. Revised edition. National Book Store, Inc, 1993.