Ferguson, John H.
McGraw-Hill, 1947
Buku Teks
Ferguson, John H.
McGraw-Hill, 1981
Buku Teks
Ferguson, John H.
McGraw-Hill, 1965
Buku Teks
Griffith, Ernest S.
New York University press, 1956
Buku Teks
Griffith, Ernest S.
New York University press, 1952
Buku Teks