Παραπομπή σε μορφή APA (7η εκδ.)

Hofmann, E., Maucher, D., Kotula, M., & Kreienbrink, O. (2014). Performance Measurement and Incentive Systems in Purchasing: More Than Just Savings. Springer Berlin Heidelberg : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hofmann, Erik, Daniel Maucher, Martin Kotula, και Oliver Kreienbrink. Performance Measurement and Incentive Systems in Purchasing: More Than Just Savings. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2014.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hofmann, Erik, et al. Performance Measurement and Incentive Systems in Purchasing: More Than Just Savings. Springer Berlin Heidelberg : Imprint: Springer, 2014.