Kaye, Sidney, author
Charles C Thomas Publisher, 1961
Buku Referensi
Sage, Andrew P., author
Academic Press , 1971
Buku Teks
Leonard, V A
Charles C. Thomas, 1971
Buku Teks
Silverstein, Robert Milton, 1916-, author
John Wiley & Sons, 1981
Buku Teks
Chatterji, B.N., author
Oxford and IBH, 1988
Buku Teks