APA-viite (7. p.)

Isbell, C., & Isbell, R. T. (2005). The inclusive learning center book: For preschool children with special needs. Gryphon House.

Chicago-viite (17. p.)

Isbell, Christy, ja Rebecca T. Isbell. The Inclusive Learning Center Book: For Preschool Children with Special Needs. Beltsville, Md: Gryphon House, 2005.

MLA-viite (9. p.)

Isbell, Christy, ja Rebecca T. Isbell. The Inclusive Learning Center Book: For Preschool Children with Special Needs. Gryphon House, 2005.