APA-viite (7. p.)

Hockenberry, T., & Hockenberry, D. (1989). Collectible German Animals Value Guide, 1948-1968: An Identification and Price Guide to Steiff, Schuco, Hermann, and Other German Companies. Hobby House Press, Inc.

Chicago-viite (17. p.)

Hockenberry, Tom, ja Dee Hockenberry. Collectible German Animals Value Guide, 1948-1968: An Identification and Price Guide to Steiff, Schuco, Hermann, and Other German Companies. Cumberland/ Marayland: Hobby House Press, Inc, 1989.

MLA-viite (8. p.)

Hockenberry, Tom, ja Dee Hockenberry. Collectible German Animals Value Guide, 1948-1968: An Identification and Price Guide to Steiff, Schuco, Hermann, and Other German Companies. Hobby House Press, Inc, 1989.