Volpe, Sonnino Peter, 1917-
Wiley-Interscience, 1972
Buku Teks
Robinson, Andrew
Thames & Hudson, 2007
Buku Teks
Wilder
Gramedia, 1956
Buku Teks
Harlow, Ralph Volney
Holt, Rinehart and Winston,Inc, 1964
Buku Teks
Walker, Kenneth
Oxford University Press, 1955
Buku Teks