APA
(1979). China: azolla propagation and small-scale biogas technology. Rome: Food Agriculture Organization: .
Chicago
1979. China: azolla propagation and small-scale biogas technology. Rome: Food Agriculture Organization: .
Harvard
(1979). China: azolla propagation and small-scale biogas technology. Rome: Food Agriculture Organization: .
MLA
China: azolla propagation and small-scale biogas technology. Rome: Food Agriculture Organization: . 1979.
