Cratty, B. J. (1971). Active learning: Games to enhance academic abilities. Prentice-Hall.
芝加哥风格引文Cratty, Bryant J. Active Learning: Games to Enhance Academic Abilities. Englewood Cliffs, N. J: Prentice-Hall, 1971.
MLA引文Cratty, Bryant J. Active Learning: Games to Enhance Academic Abilities. Prentice-Hall, 1971.
警告：这些引文格式不一定是100％准确.