APA-Zitierstil (7. Ausg.)

Osborn, J. D., & Osborn, D. K. (1974). Cognitive tasks: An approach for early childhood education. Early Childhood Education Learning Center, University of Georgia.

Chicago-Zitierstil (17. Ausg.)

Osborn, Janie D., und D. Keith Osborn. Cognitive Tasks: An Approach for Early Childhood Education. Athens, Ga: Early Childhood Education Learning Center, University of Georgia, 1974.

MLA-Zitierstil (9. Ausg.)

Osborn, Janie D., und D. Keith Osborn. Cognitive Tasks: An Approach for Early Childhood Education. Early Childhood Education Learning Center, University of Georgia, 1974.