Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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