Mendenhall, William, author
Wadsworth , 1967
Buku Teks
Mendenhall, William, author
Wadsworth, 1969
Buku Teks
Goldman, Malcolm, author
Harcourt Brace World, 1970
Buku Teks
Alder, Henry L., author
W.H. Freeman, 1972
Buku Teks
Montgomery, Douglas C., author
John Wiley & Sons, 2012
Buku Teks