APA (7e ed.) Bronvermelding

(2003). The advertising red books. Advertiser, business classifications.

Chicago (17e ed.) Bronvermelding

The Advertising Red Books. Advertiser, Business Classifications. 2003.

MLA (9e ed.) Bronvermelding

The Advertising Red Books. Advertiser, Business Classifications. 2003.

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