Ladensack, A. (2002). The History and Art of Googlies. Hobby House Press.
Chicago-Zitierstil (17. Ausg.)Ladensack, Anita. The History and Art of Googlies. Grantsville, Maryland: Hobby House Press, 2002.
MLA-Zitierstil (8. Ausg.)Ladensack, Anita. The History and Art of Googlies. Hobby House Press, 2002.
警告：這些引文格式不一定是100％准確.