APA-referens (7:e uppl.)

Abubakar, A., Holding, P., van Baar, A., Newton, C., & van de Vijver, F. (2008). Monitoring psychomotor development in a resource-limited setting: An evaluation of the Kilifi Developmental Inventory.

Chicago-referens (17:e uppl.)

Abubakar, A., P. Holding, A. van Baar, C. Newton, och F. van de Vijver. Monitoring Psychomotor Development in a Resource-limited Setting: An Evaluation of the Kilifi Developmental Inventory. 2008.

MLA-referens (9:e uppl.)

Abubakar, A., et al. Monitoring Psychomotor Development in a Resource-limited Setting: An Evaluation of the Kilifi Developmental Inventory. 2008.