APA引文

Roberts, R. (2007). Learn-O-Grams: Pictorial puzzles to warm up, wind down, and energize learning. San Francisco: Wiley.

Trích dẫn kiểu Chicago

Roberts, Ron. Learn-O-Grams: Pictorial Puzzles to Warm Up, Wind Down, and Energize Learning. San Francisco: Wiley, 2007.

MLA引文

Roberts, Ron. Learn-O-Grams: Pictorial Puzzles to Warm Up, Wind Down, and Energize Learning. San Francisco: Wiley, 2007.

警告：这些引文格式不一定是100％准确.