@book{Bakker2009,
author = {Bakker, F. and Graaf, H. and Haas, S. and Kedde, H. and Kruijer, H. and Wijsen, C.},
title= {Seksuele gezondheid in Nederland 2009},
year = {2009},
URL = {https://docplayer.nl/698192-Seksuele-gezondheid-in-nederland-2009.html},
address = {Utrecht},
publisher = {Rutgers Nisso Groep},
}