Cargo, Francis
Paris Albin Michel c1927
Buku Teks
Lin, Yutang
Dragonfly Books, 1965
Buku Teks
Goldberg, Edward D.
John Wiley & Sons, 1985
Buku Teks
Heller, Edward D.
Addison- Wesley , 1971
Buku Teks
Mills, Edward D.
Newnes-Butterworths, 1976
Buku Teks