APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (9वां संस्करण) प्रशस्ति पत्र

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