APA način citiranja

Keizer,Jimme A, & Kempen,Piet M. (2006). Business Research Projects: A Solution - Oriented Approach. Butterworth - Heinemann.

Čikaški stil citiranja

Keizer,Jimme A, i Kempen,Piet M. Business Research Projects: A Solution - Oriented Approach. Burlington: Butterworth - Heinemann, 2006.

MLA način citiranja

Keizer,Jimme A, i Kempen,Piet M. Business Research Projects: A Solution - Oriented Approach. Butterworth - Heinemann, 2006.