Albert, Arthur Lemuel
McGraw-Hill Book Company, Inc., 1943
Buku Teks
Bellamy, John
Wiley , 1991
Buku Teks
Atkinson, J., author
Pitman, 1972
Buku Teks
Smith, Sydney F., author
Oxford University Press, 1978
Buku Teks
H. Winning
Bina Aksara, 1984
Buku Teks