APA
Singh G. ., . (1997). Potential application of agroforestry systems from Indian sub continent to the analogous ecozones of Africa. New Delhi: Indian Council for Agricultural Research.
Chicago
Singh G.B, . 1997. Potential application of agroforestry systems from Indian sub continent to the analogous ecozones of Africa. New Delhi: Indian Council for Agricultural Research.
Harvard
Singh G. ., . (1997). Potential application of agroforestry systems from Indian sub continent to the analogous ecozones of Africa. New Delhi: Indian Council for Agricultural Research.
MLA
Singh G.B, . Potential application of agroforestry systems from Indian sub continent to the analogous ecozones of Africa. New Delhi: Indian Council for Agricultural Research. 1997.