APA

Crosby M. E., . (1957). Supervision as co-operative action. New York: Appleton-Century-Crofts.

Chicago

Crosby Muriel Estelle, . 1957. Supervision as co-operative action. New York: Appleton-Century-Crofts.

Harvard

Crosby M. E., . (1957). Supervision as co-operative action. New York: Appleton-Century-Crofts.

MLA

Crosby Muriel Estelle, . Supervision as co-operative action. New York: Appleton-Century-Crofts. 1957.