APA-referens (7:e uppl.)

Sotheby`s <New York>. (2001). The Covert & Gertrude Hegarty Collection of important antique toys: Friday, October 12, 2001 New York.

Chicago-referens (17:e uppl.)

Sotheby`s <New York>. The Covert & Gertrude Hegarty Collection of Important Antique Toys: Friday, October 12, 2001 New York. New York, 2001.

MLA-referens (8:e uppl.)

Sotheby`s <New York>. The Covert & Gertrude Hegarty Collection of Important Antique Toys: Friday, October 12, 2001 New York. 2001.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.