APA (7e ed.) Bronvermelding

Kowalewski, J., Schulze, S., & Schuster, S. (2010). HWWI Research Paper. HWWI.

Chicago (17e ed.) Bronvermelding

Kowalewski, Julia, Sven Schulze, en Stephan Schuster. HWWI Research Paper. Hamburg: HWWI, 2010.

MLA (8e ed.) Bronvermelding

Kowalewski, Julia, et al. HWWI Research Paper. HWWI, 2010.