APA (7e ed.) Bronvermelding

MCCALL J B. (1984). MARKETING BY AGREEMENT. JOHN WILEY AND SONS.

Chicago (17e ed.) Bronvermelding

MCCALL J B. MARKETING BY AGREEMENT. NEW YORK: JOHN WILEY AND SONS, 1984.

MLA (9e ed.) Bronvermelding

MCCALL J B. MARKETING BY AGREEMENT. JOHN WILEY AND SONS, 1984.