Hartman, William K., author
Wadswoth, 1978
Buku Teks
Hartman, William K., author
Wadsworth, 1985
Buku Teks
Adams, Fred, author
[Springer, ], 2012
eBooks
Arny, Thomas T., author
McGraw-Hill, Higher Education, 2004
Buku Teks
Hodge, Paul W.
McGraw-Hill, 1974
Buku Teks