Montague, Harriet F., author
Charles E. Merrill, 1963
Buku Teks
Schaaf, William L.
Collier Books, 1966
Buku Teks
Armstrong, James W., author
Macmillan, 1976
Buku Teks
Campbell, Hugh G., author
Macmillan, 1974
Buku Teks
Rothenberg, Ronald I., author
John Wiley & Sons, 1980
Buku Teks