Citace podle APA (7th ed.)

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

Citace podle Chicago (17th ed.)

Velasquez, Carmen Camacho, a Consuelo Villamor Asis. Modern Biology: Philippine Version with Biology Investigations. Revised edition. Mandaluyong City: National Book Store, 1993.

Citace podle MLA (9th ed.)

Velasquez, Carmen Camacho, a Consuelo Villamor Asis. Modern Biology: Philippine Version with Biology Investigations. Revised edition. National Book Store, 1993.

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