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.
Style de citation Chicago (17e éd.)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.
Style de citation MLA (8e éd.)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.
Attention : ces citations peuvent ne pas être correctes à 100%.