Apple, M. A. (2002). German toys in antebellum America. The Magazine Antiques.
Chicago-Zitierstil (17. Ausg.)Apple, Mary Audrey. "German Toys in Antebellum America." The Magazine Antiques 2002.
MLA-Zitierstil (8. Ausg.)Apple, Mary Audrey. "German Toys in Antebellum America." The Magazine Antiques, 2002.
警告：这些引文格式不一定是100％准确.