APA引文

Wittrock, M. C. (1977). Learning and instruction. Mrcutrhan.

芝加哥风格引文

Wittrock, Merlin C. Learning and Instruction. Berkeley: Mrcutrhan, 1977.

MLA引文

Wittrock, Merlin C. Learning and Instruction. Mrcutrhan, 1977.

警告：这些引文格式不一定是100％准确.