APA (7e ed.) Bronvermelding
Sotheby's. (2000). Sotheby's: Amsterdam, Thursday 22 June 2000 : Important Clocks, Watches and Wristwatches. Sotheby's.
Chicago (17e ed.) Bronvermelding
Sotheby's. Sotheby's: Amsterdam, Thursday 22 June 2000 : Important Clocks, Watches and Wristwatches. Amsterdam, Holanda: Sotheby's, 2000.
MLA (9e ed.) Bronvermelding
Sotheby's. Sotheby's: Amsterdam, Thursday 22 June 2000 : Important Clocks, Watches and Wristwatches. Sotheby's, 2000.
Let op: Deze citaties zijn niet altijd 100% accuraat.