APA

Armstrong M., . (1986). A handbook of management techniques. New York: Nichols Pub. Co.

Chicago

Armstrong Michael, . 1986. A handbook of management techniques. New York: Nichols Pub. Co.

Harvard

Armstrong M., . (1986). A handbook of management techniques. New York: Nichols Pub. Co.

MLA

Armstrong Michael, . A handbook of management techniques. New York: Nichols Pub. Co. 1986.