Ryder, John D.
McGraw-Hill, [date of publication not identified]
Buku Teks
Shvets, I.
Moscow: Peace Publishers, [19?-]
Buku Teks
Sivarajan, V., author
V.K. Publisher, 1981
Buku Teks
Singh, Surendra, author
Vikas, 1979
Buku Teks
Mitchell, Robert L., author
John Wiley & Sons, 1980
Buku Teks