APA (7e ed.) Bronvermelding

Holiday, R. Perennial seller: The art of making and marketing work that lasts. Portfolio/Penguin.

Chicago (17e ed.) Bronvermelding

Holiday, Ryan. Perennial Seller: The Art of Making and Marketing Work That Lasts. New York, New York: Portfolio/Penguin.

MLA (9e ed.) Bronvermelding

Holiday, Ryan. Perennial Seller: The Art of Making and Marketing Work That Lasts. Portfolio/Penguin.

Let op: Deze citaties zijn niet altijd 100% accuraat.