APA (7e ed.) Bronvermelding

Doctor, R. A. (1999). principal and practice of business communication (F.Y.B com). Sheth.

Chicago (17e ed.) Bronvermelding

Doctor, Rhoda A. Principal and Practice of Business Communication (F.Y.B Com). Mumbai: Sheth, 1999.

MLA (9e ed.) Bronvermelding

Doctor, Rhoda A. Principal and Practice of Business Communication (F.Y.B Com). Sheth, 1999.