Inne, author
Universitas Indonesia, 2009
UI - Skripsi (Open)
Anggie Juli Asih, author
Universitas Indonesia, 2009
UI - Skripsi (Open)
Chartrand, Gary, author
McGraw-Hill, 2005
Buku Teks
Universitas Indonesia, 2008
UI - Skripsi (Membership)
Universitas Indonesia, 2009
UI - Skripsi (Membership)