Style de citation APA (7e éd.)

Friesen, M. E. (1998). The internal sell: Encouraging executive influence and accomplishment. Quorum Books.

Style de citation Chicago (17e éd.)

Friesen, Michael E. The Internal Sell: Encouraging Executive Influence and Accomplishment. Westport, Conn.: Quorum Books, 1998.

Style de citation MLA (9e éd.)

Friesen, Michael E. The Internal Sell: Encouraging Executive Influence and Accomplishment. Quorum Books, 1998.