Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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