by Patrick M. Malone, Kristen W. Mosdell, Karen L. Kier and John Stanovich
McGraw-Hill, 2001
Buku Teks
by Volker Schulz ... [et al.]
Springer, 2004
Buku Teks
Deglin, Judith Hopfer, 1950-
FA Davis, 2001
Buku Teks
Vallerand, April Hazard
F.A.Davis Company, 2014
Buku Teks
Wilson, Billie Ann
Prentice-Hall, 2003
Buku Referensi