Παραπομπή σε μορφή APA (7η εκδ.)

Jonker, J., & Pennink, B. (2009). The Essence of Research Methodology: A Concise Guide for Master and PhD Students in Management Science. Springer Berlin Heidelberg : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Jonker, Jan, και Bartjan Pennink. The Essence of Research Methodology: A Concise Guide for Master and PhD Students in Management Science. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2009.

Παραπομπή σε μορφή MLA (8th εκδ.)

Jonker, Jan, και Bartjan Pennink. The Essence of Research Methodology: A Concise Guide for Master and PhD Students in Management Science. Springer Berlin Heidelberg : Imprint: Springer, 2009.