APA (7 ম সংস্করণ) উদ্ধৃতি

Johnson, K. (2001). Problem solving strategies: Crossing the river with dogs and other mathematical adventures (2nd ed.). Key Curriculum Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Johnson, Ken. Problem Solving Strategies: Crossing the River with Dogs and Other Mathematical Adventures. 2nd ed. Emeryville, CA: Key Curriculum Press, 2001.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Johnson, Ken. Problem Solving Strategies: Crossing the River with Dogs and Other Mathematical Adventures. 2nd ed. Key Curriculum Press, 2001.