(1987). Ivory: An international history and illustrated survey (Phoebe Philips editions.). Harry N. Abrams, Inc., Publishers.
Citace podle Chicago (17th ed.)Ivory: An International History and Illustrated Survey. Phoebe Philips editions. New York: Harry N. Abrams, Inc., Publishers, 1987.
Citace podle MLA (9th ed.)Ivory: An International History and Illustrated Survey. Phoebe Philips editions. Harry N. Abrams, Inc., Publishers, 1987.
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