APA-Zitierstil (7. Ausg.)

Lear, R., & Lear, R. P. h. (1990). More play helps: Play ideas for children with special needs. Heinemann Medical Books.

Chicago-Zitierstil (17. Ausg.)

Lear, Roma, und Roma. Play helps Lear. More Play Helps: Play Ideas for Children with Special Needs. Oxford: Heinemann Medical Books, 1990.

MLA-Zitierstil (9. Ausg.)

Lear, Roma, und Roma. Play helps Lear. More Play Helps: Play Ideas for Children with Special Needs. Heinemann Medical Books, 1990.