APA引文

Open University Course Team. (1972). Operations and relations, Morphism-geometric vectors. Unit 9-11. Open Uty Press.

Chicago Edition Citation

Open University Course Team. Operations and Relations, Morphism-geometric Vectors. Unit 9-11. Open Uty Press, 1972.

MLA引文

Open University Course Team. Operations and Relations, Morphism-geometric Vectors. Unit 9-11. Open Uty Press, 1972.

警告：這些引文格式不一定是100％准確.