APA (7e ed.) Bronvermelding

HAYES RICK STEPHEN. (1985). MARKETING FOR YOUR GROWING BUSINESS. JOHN WILEY AND SONS.

Chicago (17e ed.) Bronvermelding

HAYES RICK STEPHEN. MARKETING FOR YOUR GROWING BUSINESS. NEW YORK: JOHN WILEY AND SONS, 1985.

MLA (9e ed.) Bronvermelding

HAYES RICK STEPHEN. MARKETING FOR YOUR GROWING BUSINESS. JOHN WILEY AND SONS, 1985.