APA-referens (7:e uppl.)

Bulloch, I. (1992). Patterns: Help your child have fun with maths. Two-Can.

Chicago-referens (17:e uppl.)

Bulloch, Ivan. Patterns: Help Your Child Have Fun with Maths. London: Two-Can, 1992.

MLA-referens (9:e uppl.)

Bulloch, Ivan. Patterns: Help Your Child Have Fun with Maths. Two-Can, 1992.