Hamm, Harry
Doubleday & Company, Inc., 1966
Buku Teks
Hamm, Hary
Frederick A. Praeger, 1963
Buku Teks
Vitkovich, Victor
Foreign Languages Publishing House , 1954
Buku Teks
Hugo, V. (Victor), author
David Campbell Publishers, 1998
Buku Teks
Joron, Guy
Musson Book Co , 1978
Buku Teks