APA引文

Open University. (1971). Relations. Open University Press.

Chicago Style (17th ed.) Citation

Open University. Relations. Bletchley (Walton Hall, Bletchley, Bucks.): Open University Press, 1971.

MLA引文

Open University. Relations. Open University Press, 1971.

警告:這些引文格式不一定是100%准確.