Cunningham, William P., author
McGraw-Hill, Higher Education, 2009
Buku Teks
Cunningham, William P., author
McGraw-Hill, 2002
Buku Teks
Miller, G. Tyler (George Tyler), 1931-, author
Wadsworth, 1996
Buku Teks
Miller, G. Tyler (George Tyler), 1931-, author
Brooks/Cole-Thompson Learning, 2004
Buku Teks
editor, Leandro A. Viloria
University of the Philippines, 1984
Buku Teks