APA (7e ed.) Bronvermelding

Barr, A., Lindelow, M., Garcia-Montalvo, J., & Serneels, P. (2005). Intrinsic motivations on the development frontline: Do they exist? Do they endure? GPRG.

Chicago (17e ed.) Bronvermelding

Barr, A., M. Lindelow, J. Garcia-Montalvo, en P. Serneels. Intrinsic Motivations on the Development Frontline: Do They Exist? Do They Endure? GPRG, 2005.

MLA (9e ed.) Bronvermelding

Barr, A., et al. Intrinsic Motivations on the Development Frontline: Do They Exist? Do They Endure? GPRG, 2005.