Gaya APA

Kers, M., Wilmink, W. (1991). Amsterdam : fotografische impressies/photographic impressions . Laren: Inmerc / Schipper Art Productions.

Gaya MLA

Kers, Martin., Wilmink, Willem. "Amsterdam : fotografische impressies/photographic impressions". Laren: Inmerc / Schipper Art Productions, 1991. Text.