30 labo's 4 : derive, cabri.

MLA

Windels, Bart. 30 Labo's 4 : Derive, Cabri. Antwerpen: Standaard, 2001.

APA

Windels, B. (2001). 30 labo's 4 : derive, cabri. Antwerpen: Standaard.

Chicago

Windels, Bart, 30 Labo's 4: Derive, Cabri. Antwerpen: Standaard, 2001.