Alexander, R. McNeill
VikasHouse, 1977
Buku Teks
Alexander, R. McNeill
Cambridge University Press, 1981
Buku Teks
Lee, John A.N.
Van Nostrand Reinhold, 1967
Buku Teks
Esau, Katherine
John Wiley & Sons, 1953
Buku Teks
Montagna, William
John Wiley & Sons, 1963
Buku Teks