Groepsfitness.

MLA

Vandaele, Bart, Eric Vandenabeele, and Kristine De Martelaer. Groepsfitness. Gent: PVLO, 2005.

APA

Vandaele, B., Vandenabeele, E., & De Martelaer, K. (2005). Groepsfitness. Gent: PVLO.

Chicago

Vandaele, Bart, Eric Vandenabeele, and Kristine De Martelaer. Groepsfitness. Gent: PVLO, 2005.