Artikel Jurnal
Oxford University Press, 1993
Buku Teks
Santrock, John W., author
Wm. C. Brown Publisher, 1984
Buku Teks
Simeonsson, Rune J., author
Allyn and Bacon, 1986
Buku Teks
Annisya Dwi Rianthi, author
Fakultas Kedokteran Universitas Indonesia, 2018
UI - Tesis Membership