(1976). Making aquatic weeds useful: Some perspectives for developing countries. National Academy of Sciences.
Cita Chicago (17th ed.)Making Aquatic Weeds Useful: Some Perspectives for Developing Countries. Washington, D. C: National Academy of Sciences, 1976.
Cita MLA (9th ed.)Making Aquatic Weeds Useful: Some Perspectives for Developing Countries. National Academy of Sciences, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.