APA-viite (7. p.)

Ardales, V. B. (2001). Basic concepts and methods in research (2nd ed.). Concerns.

Chicago-viite (17. p.)

Ardales, Venancio B. Basic Concepts and Methods in Research. 2nd ed. Iloilo City: Concerns, 2001.

MLA-viite (9. p.)

Ardales, Venancio B. Basic Concepts and Methods in Research. 2nd ed. Concerns, 2001.