APA-referens (7:e uppl.)

Peterson, S., & Peterson, J. (2002). Working with clay (2nd ed.). Prentice Hall.

Chicago-referens (17:e uppl.)

Peterson, Susan, och Jan Peterson. Working with Clay. 2nd ed. New Jersey: Prentice Hall, 2002.

MLA-referens (9:e uppl.)

Peterson, Susan, och Jan Peterson. Working with Clay. 2nd ed. Prentice Hall, 2002.