Citazione APA

Bowman, J. P., & Branchaw Bernadine P. (1979). Effective Business Correspondence. Canfield Press.

Stile di citazione Chicago

Bowman, Joel P., e Branchaw Bernadine P. Effective Business Correspondence. San Francisco: Canfield Press, 1979.

Citazione MLA

Bowman, Joel P., e Branchaw Bernadine P. Effective Business Correspondence. Canfield Press, 1979.