Sapienza, Alice M., author
Wiley, 2004
Buku Teks
Alexander, Ralph S.
Ginn and Co. , 1953
Buku Teks
Russell, Frank M.
Russell And Russell, 1951
Buku Teks
White, Frank M., author
McGraw-Hill, 1994
Buku Teks
White, Frank M., author
Addison-Wesley , 1988
Buku Teks