APA Style
Wijewardene, Ray, Waidyanata, Parakrama. (1984).
Conservation farming : systems, techniques & tools .
ceylon:
Departement of Agriculture Srilanka.
Chicago Style
Wijewardene, Ray, Waidyanata, Parakrama.
Conservation farming : systems, techniques & tools.
ceylon:
Departement of Agriculture Srilanka,
1984.
Text.
MLA Style
Wijewardene, Ray, Waidyanata, Parakrama.
Conservation farming : systems, techniques & tools.
ceylon:
Departement of Agriculture Srilanka,
1984.
Text.
Turabian Style
Wijewardene, Ray, Waidyanata, Parakrama.
Conservation farming : systems, techniques & tools.
ceylon:
Departement of Agriculture Srilanka,
1984.
Print.