Aubinet, Marc, editor
Springer, 2012
eBooks
Streiner, David L., author
Oxford University Press, 2015
Buku Teks
Richard, Lyn, Author
Sage, 2014
Buku Teks
Stouthamer-Loeber, Magda, author
Sage, 1995
Buku Teks
ASM International
ASM International, 2000
eBooks