APA

Zuker E., . (1991). The seven secrets of influence. New York: McGraw-Hill.

Chicago

Zuker Elaina, . 1991. The seven secrets of influence. New York: McGraw-Hill.

Harvard

Zuker E., . (1991). The seven secrets of influence. New York: McGraw-Hill.

MLA

Zuker Elaina, . The seven secrets of influence. New York: McGraw-Hill. 1991.