APA

Burke R. S., Bittel L. R., . (1981). Introduction to management practice. New York: Gregg Division, McGraw-Hill Book Co.

Chicago

Burke Ronald S, Bittel Lester R, . 1981. Introduction to management practice. New York: Gregg Division, McGraw-Hill Book Co.

Harvard

Burke R. S., Bittel L. R., . (1981). Introduction to management practice. New York: Gregg Division, McGraw-Hill Book Co.

MLA

Burke Ronald S, Bittel Lester R, . Introduction to management practice. New York: Gregg Division, McGraw-Hill Book Co. 1981.