Obsevatorium

MLA

Tahon, Johan, et al. Obsevatorium. [Gent]: Ludion, 2008.

APA

Tahon, J., Depondt, P., Van Mulders, W., Verhelst, P., Devriendt, M., & Vanfleteren, S. (2008). Obsevatorium. [Gent]: Ludion.

Chicago

Tahon, Johan, Paul Depondt, Wim Van Mulders, Peter Verhelst, Mirjam Devriendt, and Stephan Vanfleteren. Obsevatorium. [Gent]: Ludion, 2008.