Style de citation APA

Whiting, P. H. (1957). 5 great rules of selling (rev ed.). McGraw-Hill.

Style de citation Chicago

Whiting, Percy H. 5 Great Rules of Selling. rev ed. New York: McGraw-Hill, 1957.

Style de citation MLA

Whiting, Percy H. 5 Great Rules of Selling. rev ed. McGraw-Hill, 1957.

Attention : ces citations peuvent ne pas être correctes à 100%.