APA

Proctor J. H., Thornton W. M., . (1961). Training. New York: American Management Association.

Chicago

Proctor John H, Thornton William M, . 1961. Training. New York: American Management Association.

Harvard

Proctor J. H., Thornton W. M., . (1961). Training. New York: American Management Association.

MLA

Proctor John H, Thornton William M, . Training. New York: American Management Association. 1961.