MLA

Kok, Robert, and Hugo Gruijters. Sportmarketing. 3e [herz.] editie Amsterdam: Pearson, 2013.

APA

Kok, R., & Gruijters, H. (2013). Sportmarketing. 3e [herz.] editie Amsterdam: Pearson.

Chicago

Kok, Robert, and Hugo Gruijters. Sportmarketing. 3e [herz.] editie Amsterdam: Pearson, 2013.