Style de citation APA (7e éd.)

Olson, J. F. (2009). Writing skills success in 20 minutes a day (4th ed.). LearningExpress.

Style de citation Chicago (17e éd.)

Olson, Judith F. Writing Skills Success in 20 Minutes a Day. 4th ed. New York, NY: LearningExpress, 2009.

Style de citation MLA (8e éd.)

Olson, Judith F. Writing Skills Success in 20 Minutes a Day. 4th ed. LearningExpress, 2009.

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