APA-referens (7:e uppl.)

Overgaard, M., & Stringfellow, S. (1986). Personal computing with the UCSD p-System (2nd ed.). Prentice-Hall.

Chicago-referens (17:e uppl.)

Overgaard, Mark, och Stan Stringfellow. Personal Computing with the UCSD P-System. 2nd ed. Englewood Cliffs, N.J: Prentice-Hall, 1986.

MLA-referens (9:e uppl.)

Overgaard, Mark, och Stan Stringfellow. Personal Computing with the UCSD P-System. 2nd ed. Prentice-Hall, 1986.