Meidner, Hans, author
Blackie, 1976
Buku Teks
Kohli, Ravinder Kumar, Shibu Jose, Harminder Pal Singh, Daizy Rani Batish, editor
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Chrispeels, Maarten J.
"San Francisco: W.H Freeman and Co., 1977",
Buku Teks
Rendle, Alfred Barton, author
Vikas, 1979
Buku Teks
Harrington, Harold David, author
Swallow Press, 1979
Buku Teks