Ober, S. (2007). Fundamentals of Contemporary Business Communication (2nd.). Houghton Mifflin Company.
Citazione stile Chigago Style (17a edizione)Ober, Scot. Fundamentals of Contemporary Business Communication. 2nd. Boston: Houghton Mifflin Company, 2007.
Citatione MLA (9a ed.)Ober, Scot. Fundamentals of Contemporary Business Communication. 2nd. Houghton Mifflin Company, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.