Streets, R. B. (1969). The diagnosis of plant diseases: A field and laboratory manual. Cooperative Extension Service Agricultural Experiment Station.
Cita Chicago (17th ed.)Streets, Rubert Burley. The Diagnosis of Plant Diseases: A Field and Laboratory Manual. Tucson: Cooperative Extension Service Agricultural Experiment Station, 1969.
Cita MLA (9th ed.)Streets, Rubert Burley. The Diagnosis of Plant Diseases: A Field and Laboratory Manual. Cooperative Extension Service Agricultural Experiment Station, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.