Style de citation APA (7e éd.)

Fensterhem, H. (1978). Dont say yes when you want to say no. Dell Pub.

Style de citation Chicago (17e éd.)

Fensterhem, Herbert. Dont Say Yes When You Want to Say No. New York: Dell Pub, 1978.

Style de citation MLA (9e éd.)

Fensterhem, Herbert. Dont Say Yes When You Want to Say No. Dell Pub, 1978.