APA

Adams H. P., Dickey F. G., . (1956). Basic principles of supervision. New York: American Book Co.

Chicago

Adams Harold P, Dickey Frank Grave, . 1956. Basic principles of supervision. New York: American Book Co.

Harvard

Adams H. P., Dickey F. G., . (1956). Basic principles of supervision. New York: American Book Co.

MLA

Adams Harold P, Dickey Frank Grave, . Basic principles of supervision. New York: American Book Co. 1956.