APA-viite (7. p.)

Velasquez, C. C., & Asis, C. V. (1993). Modern biology with biology investigations. Holt, Rinehart & Winston, Inc.

Chicago-viite (17. p.)

Velasquez, Carmen C., ja Consuelo V. Asis. Modern Biology with Biology Investigations. New York: Holt, Rinehart & Winston, Inc, 1993.

MLA-viite (9. p.)

Velasquez, Carmen C., ja Consuelo V. Asis. Modern Biology with Biology Investigations. Holt, Rinehart & Winston, Inc, 1993.