APA (7e ed.) Bronvermelding

O'Brien, R. (1990). The Story of American Toys: From the puritans to the present. New Cavendish Books.

Chicago (17e ed.) Bronvermelding

O'Brien, Richard. The Story of American Toys: From the Puritans to the Present. London: New Cavendish Books, 1990.

MLA (8e ed.) Bronvermelding

O'Brien, Richard. The Story of American Toys: From the Puritans to the Present. New Cavendish Books, 1990.