Enger, Eldon D., author
McGraw-Hill, 2009
Buku Teks
Bauer, Richard C., author
Thomson, Brooks/Cole, 2005
Buku Teks
Cooper, Melanie M., author
McGraw-Hill, 2009
Buku Teks
Enger, Eldon D., author
McGraw-Hill, Higher Education, 2009
Buku Teks
Douglas J. Eder [and others]
McGraw-Hill Higher Education, 2004
Buku Referensi