Cita APA (7th ed.)

Davis, R., & Lingham, C. H. (1921). Business English and correspondence (Rev ed.). Ginn and company.

Cita Chicago (17th ed.)

Davis, Roy, i Clarence H. Lingham. Business English and Correspondence. Rev ed. Boston: Ginn and company, 1921.

Cita MLA (9th ed.)

Davis, Roy, i Clarence H. Lingham. Business English and Correspondence. Rev ed. Ginn and company, 1921.