APA-referens (7:e uppl.)

Dodwell, P. C. (1970). Visual pattern recognition. Holt, Rinehart and Winston.

Chicago-referens (17:e uppl.)

Dodwell, P. C. Visual Pattern Recognition. New York: Holt, Rinehart and Winston, 1970.

MLA-referens (9:e uppl.)

Dodwell, P. C. Visual Pattern Recognition. Holt, Rinehart and Winston, 1970.