Jane Luvena Pietra
Fakultas Psikologi Universitas Indonesia, 2013
UI - Tesis Membership
Sieh, Kerry
W.H. Freeman and Company , 1999
Buku Teks
Mehren, Arthur Taylor von
Kluwer law and Taxation Publishers, 1988
Buku Teks
Casen, Douglass
Vintage, 1964
Buku Teks
Harper, Donald Victor
Prentice-Hall, 1982
Buku Teks