Christie, M. &. W. L. (1994). The Godman Collection of watercolours for John Gould's "The Birds of Great Britain": Tuesday, 4 October 1994. Christie's.
Cita Chicago Style (17a ed.)Christie, Manson & Woods Ltd. The Godman Collection of Watercolours for John Gould's "The Birds of Great Britain": Tuesday, 4 October 1994. London: Christie's, 1994.
Cita MLA (9a ed.)Christie, Manson & Woods Ltd. The Godman Collection of Watercolours for John Gould's "The Birds of Great Britain": Tuesday, 4 October 1994. Christie's, 1994.
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