APA (7e ed.) Bronvermelding

Ward, H., & Roscoe, F. (1958). The approach to teaching. G. Bell.

Chicago (17e ed.) Bronvermelding

Ward, Herbert, en Frank Roscoe. The Approach to Teaching. London: G. Bell, 1958.

MLA (9e ed.) Bronvermelding

Ward, Herbert, en Frank Roscoe. The Approach to Teaching. G. Bell, 1958.