New York State College of Agriculture and Life Sciences, .Loehr, R. C., .Martin, C. S., & Rast, W. (1980). Phosphorus management strategies for lakes. Ann Arbor Science.
Cita Chicago (17th ed.)New York State College of Agriculture and Life Sciences, Raymond C. .Loehr, Colleen S. .Martin, i Walter Rast. Phosphorus Management Strategies for Lakes. Ann Arbor, Mich.: Ann Arbor Science, 1980.
Cita MLA (9th ed.)New York State College of Agriculture and Life Sciences, et al. Phosphorus Management Strategies for Lakes. Ann Arbor Science, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.