APA (7e ed.) Bronvermelding

Day, R. L. (1968). Sales management simulation: Participant's manual. Sales and Marketing Executices-International.

Chicago (17e ed.) Bronvermelding

Day, Ralph L. Sales Management Simulation: Participant's Manual. New York: Sales and Marketing Executices-International, 1968.

MLA (9e ed.) Bronvermelding

Day, Ralph L. Sales Management Simulation: Participant's Manual. Sales and Marketing Executices-International, 1968.