APA Citatie

Fruehling, R. T., & Bouchard, S. (1972). Art of writing effective letters. McGraw Hill Book Company.

Chicago Style citaat

Fruehling, Rosenmary T., en Sharon Bouchard. Art of Writing Effective Letters. New York: McGraw Hill Book Company, 1972.

MLA citatie

Fruehling, Rosenmary T., en Sharon Bouchard. Art of Writing Effective Letters. McGraw Hill Book Company, 1972.

Let op: Deze citaties zijn niet altijd 100% accuraat.