APA-viite (7. p.)

Tuffin, B., & Henderson, D. (1993). Comprehend it! Weird and mysterious - 10 - 12 years. Prim-Ed.

Chicago-viite (17. p.)

Tuffin, Bruce, ja Diane Henderson. Comprehend It! Weird and Mysterious - 10 - 12 Years. Nuneaton: Prim-Ed, 1993.

MLA-viite (9. p.)

Tuffin, Bruce, ja Diane Henderson. Comprehend It! Weird and Mysterious - 10 - 12 Years. Prim-Ed, 1993.