APA (7e ed.) Bronvermelding
Krafft, M., Hesse, J., Hfling, J., Peters, K., & Rinas, D. (2007). International Direct Marketing: Principles, Best Practices, Marketing Facts. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-39632-1
Chicago (17e ed.) Bronvermelding
Krafft, Manfred, Jrgen Hesse, Jrgen Hfling, Kay Peters, en Diane Rinas. International Direct Marketing: Principles, Best Practices, Marketing Facts. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. https://doi.org/10.1007/978-3-540-39632-1.
MLA (9e ed.) Bronvermelding
Krafft, Manfred, et al. International Direct Marketing: Principles, Best Practices, Marketing Facts. Springer Berlin Heidelberg, 2007. https://doi.org/10.1007/978-3-540-39632-1.
Let op: Deze citaties zijn niet altijd 100% accuraat.