APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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