ANDREWS, D. C. (1988). Business Communication Deborah C. Audrens & William D. Andrews. Macmillan.
Chicago Style aipamenaANDREWS, Deborah C. Business Communication Deborah C. Audrens & William D. Andrews. Macmillan, 1988.
MLA aipamenaANDREWS, Deborah C. Business Communication Deborah C. Audrens & William D. Andrews. Macmillan, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.