Cita APA (7th ed.)

Tuffin, B., & Henderson, D. (1993). Comprehend it! Animals - 5 - 8 years. Prim-Ed.

Cita Chicago (17th ed.)

Tuffin, Bruce, i Diane Henderson. Comprehend It! Animals - 5 - 8 Years. Nuneaton: Prim-Ed, 1993.

Cita MLA (9th ed.)

Tuffin, Bruce, i Diane Henderson. Comprehend It! Animals - 5 - 8 Years. Prim-Ed, 1993.