APA

Bell R., Open University Press, . (1973). Thinking about the curriculum. [Milton Keynes]: The Open University Press.

Chicago

Bell Robert, Open University Press, . 1973. Thinking about the curriculum. [Milton Keynes]: The Open University Press.

Harvard

Bell R., Open University Press, . (1973). Thinking about the curriculum. [Milton Keynes]: The Open University Press.

MLA

Bell Robert, Open University Press, . Thinking about the curriculum. [Milton Keynes]: The Open University Press. 1973.