Cita APA (7th ed.)

Judd, P., & Judd, P. (1990). Hard Plastic Dolls, 2: Identification and Price Guide (2. Aufl.). Hobby House Press.

Cita Chicago (17th ed.)

Judd, Polly, i Pam Judd. Hard Plastic Dolls, 2: Identification and Price Guide. 2. Aufl. Cumberland: Hobby House Press, 1990.

Cita MLA (8th ed.)

Judd, Polly, i Pam Judd. Hard Plastic Dolls, 2: Identification and Price Guide. 2. Aufl. Hobby House Press, 1990.