APA

Melvin A. G. 1., . (1952). General methods of teaching. New York: McGraw-Hill.

Chicago

Melvin Arthur Gordon 1984, . 1952. General methods of teaching. New York: McGraw-Hill.

Harvard

Melvin A. G. 1., . (1952). General methods of teaching. New York: McGraw-Hill.

MLA

Melvin Arthur Gordon 1984, . General methods of teaching. New York: McGraw-Hill. 1952.