Ball, Jane. 1999. Pediatric Nursing; Caring For Children 2nd ed. Appleton & Lange
Stanford. Conecticut
Hurlock, E. B. 1996. Psikologi perkembangan, suatu pendekatan Sepanjang Rentang Kehidupan. Jakarta : Erlangga
Kozier, B. Erb, Olivieri. 1995. Fundamental of Nursing 4th ed. California : Addison - Wesley Publishing Company