APA (7 ম সংস্করণ) উদ্ধৃতি

Ruggiero, V. R. (2001). The art of thinking: A guide to critical and creative thought (6th ed.). Longman.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Ruggiero, Vincent R. The Art of Thinking: A Guide to Critical and Creative Thought. 6th ed. New York: Longman, 2001.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Ruggiero, Vincent R. The Art of Thinking: A Guide to Critical and Creative Thought. 6th ed. Longman, 2001.