Knuijt, M. (2012). Sharp as a Knife: The Dutch Waterline, a historic defence system, is nowadays a cultural heritage site which has been developed as an important recreational area. Topos.
Chicago-Zitierstil (17. Ausg.)Knuijt, Martin. "Sharp as a Knife: The Dutch Waterline, a Historic Defence System, Is Nowadays a Cultural Heritage Site Which Has Been Developed as an Important Recreational Area." Topos 2012.
MLA-Zitierstil (8. Ausg.)Knuijt, Martin. "Sharp as a Knife: The Dutch Waterline, a Historic Defence System, Is Nowadays a Cultural Heritage Site Which Has Been Developed as an Important Recreational Area." Topos, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.