APA

Dutton F. G., . (1971). Changing sources of power. New York: McGraw-Hill Book.

Chicago

Dutton Frederick G, . 1971. Changing sources of power. New York: McGraw-Hill Book.

Harvard

Dutton F. G., . (1971). Changing sources of power. New York: McGraw-Hill Book.

MLA

Dutton Frederick G, . Changing sources of power. New York: McGraw-Hill Book. 1971.