Peter Salim, author
Modern English Press, 1994
Buku Referensi
Tiger Books International, 1994
Buku Referensi
Ogden, C. K. (Charles Kay), 1889-1957, author
Evans Brothers, [1940]
Buku Referensi
Pearson Education Limited, 2010
Buku Referensi
Shaw, Harry, author
McGraw-Hill, 1975
Buku Referensi