Lynn, Robert Athan, 1930-
McGraw-Hill, 1980
Buku Teks
Kiekhofer, William H.
D. Appleton Century, 1946
Buku Teks
Mehta, J.K.
Caitanya Publishing House, 1967
Buku Teks
Mansfield, Edwin
W.W. Norton, 1974
Buku Teks
Sanborn, Henry N.
Cotter-Barnard Co., 1972
Buku Teks