APA-viite (7. p.)

Ardales, V. B. (2008). Logic towards critical thinking and reasoning (3rd ed.). Educational Pub. House.

Chicago-viite (17. p.)

Ardales, Venancio B. Logic Towards Critical Thinking and Reasoning. 3rd ed. Manila: Educational Pub. House, 2008.

MLA-viite (9. p.)

Ardales, Venancio B. Logic Towards Critical Thinking and Reasoning. 3rd ed. Educational Pub. House, 2008.