East, W. Gordon
Methuen, 1950
Buku Teks
edited by W. Gordon East and O.H.K. Spate
Methuen, 1950
Buku Teks
Shabad, Theodore, author
Frederick A. Praeger, 1956
Buku Teks
Goblet, Y.M.
Prederick A. Praeger, 1955
Buku Teks
Pounds, Norman J. G., author
McGraw-Hill, 1972
Buku Teks