APA (7e ed.) Bronvermelding

STEWART, M. M. (1978). Business english and communication.--ed.5. McGraw Hill Book Co.

Chicago (17e ed.) Bronvermelding

STEWART, Marie M. Business English and Communication.--ed.5. New York: McGraw Hill Book Co, 1978.

MLA (9e ed.) Bronvermelding

STEWART, Marie M. Business English and Communication.--ed.5. McGraw Hill Book Co, 1978.