Santrock, John W.
McGaw-Hill, 2005
Multimedia
Passer, Michael W.
McGraw-Hill, 2007
Multimedia
Santrock, John W.
McGraw-Hill Science/Engineering/Math, 2005
Multimedia
Santrock, John W.
McGraw-Hill, 2005
Multimedia
Swisher, Linda
Mosby, Inc, 2003
Buku Teks SO