Citazione Stile APA (7a Edizione)

Davis, R., & Lingham, C. H. (1919). Business English and correspondence. Ginn and company.

Citazione stile Chigago Style (17a edizione)

Davis, Roy, e Clarence H. Lingham. Business English and Correspondence. Boston: Ginn and company, 1919.

Citatione MLA (9a ed.)

Davis, Roy, e Clarence H. Lingham. Business English and Correspondence. Ginn and company, 1919.