APA (7e ed.) Bronvermelding

Challenges and Prospects. (2015). Digital Marketing. Regnery.

Chicago (17e ed.) Bronvermelding

Challenges and Prospects. Digital Marketing. Washington: Regnery, 2015.

MLA (9e ed.) Bronvermelding

Challenges and Prospects. Digital Marketing. Regnery, 2015.

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