Johnson, David W., 1940-
Reaching out: interpersonal effectiveness and self-actualization
Prentice Hall Internasional, 1990
 Buku Teks
Adang Ismail
Education games: menjadi cerdas dan ceria dengan permainan edukatif
Pilar Media, 2006
 Buku Teks
Adams, Georgia Sachs
Measurement and evaluation in education, psychology and guidance / Georgia Sachs Adams
Holt, Rinehart and Winston, 1965
 Buku Teks
Pound, Linda
Influencing early childbood education : key figures philosophies and ideas
McGraw-Hill, 2011
 Buku Teks
Schunk, Dale H.
Motivation in education: theory, research, and applications
Prentice-Hall, 1996
 Buku Teks