Cita APA (7a ed.)
Sotheby's. (1999). Sotheby's: Hong Kong, Monday November 1, 1999 : Important Watches. Sotheby's.
Cita estilo Chicago (17a ed.)
Sotheby's. Sotheby's: Hong Kong, Monday November 1, 1999 : Important Watches. Hong Kong, China: Sotheby's, 1999.
Cita MLA (9a ed.)
Sotheby's. Sotheby's: Hong Kong, Monday November 1, 1999 : Important Watches. Sotheby's, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.