Mendenhall, William, author
Wadsworth , 1967
Buku Teks
Mendenhall, William, author
Wadsworth, 1969
Buku Teks
Hodges, J. L., author
Holden-Day, 1967
Buku Teks
Hodges, J. L., author
Holden-Day, 1964
Buku Teks
Goldman, Malcolm, author
Harcourt Brace World, 1970
Buku Teks