APA
S.S. Virmani, B.C. Viraktamath C.L. Casal R.S. Toledo M.T. Lopez J.O. Manalo International Rice Research Institute, . (1997). Hybrid rice breeding manual. Los Banos: International Rice Research Institute.
Chicago
S.S. Virmani, B.C. Viraktamath C.L. Casal R.S. Toledo M.T. Lopez J.O. Manalo International Rice Research Institute, . 1997. Hybrid rice breeding manual. Los Banos: International Rice Research Institute.
Harvard
S.S. Virmani, B.C. Viraktamath C.L. Casal R.S. Toledo M.T. Lopez J.O. Manalo International Rice Research Institute, . (1997). Hybrid rice breeding manual. Los Banos: International Rice Research Institute.
MLA
S.S. Virmani, B.C. Viraktamath C.L. Casal R.S. Toledo M.T. Lopez J.O. Manalo International Rice Research Institute, . Hybrid rice breeding manual. Los Banos: International Rice Research Institute. 1997.
