Parker, Steve
Firefly Book, 1999
Buku Referensi
Stead, David G.
Angus and Robertson, 1963
Buku Teks
Artikel Jurnal
Mackay, Harvey
Tian Xia Wen Hua, 1995
Buku Teks
White, W.T.; Last, P.R.; Stevents, J.D.; Yearsley, G.K.; Fahmi; Dharmadi
Australian Center for International Agricultural Research, 2006
Buku Referensi