Hart, W. (1972). Study guide for agricultural pest control advisers on nematodes and nematicides. University of California.
Cita Chicago (17th ed.)Hart, Winfield. Study Guide for Agricultural Pest Control Advisers on Nematodes and Nematicides. Berkeley: University of California, 1972.
Cita MLA (9th ed.)Hart, Winfield. Study Guide for Agricultural Pest Control Advisers on Nematodes and Nematicides. University of California, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.