APA (7e ed.) Bronvermelding

Hart, W. (1972). Study guide for agricultural pest control advisers on nematodes and nematicides. University of California.

Chicago (17e ed.) Bronvermelding

Hart, Winfield. Study Guide for Agricultural Pest Control Advisers on Nematodes and Nematicides. Berkeley: University of California, 1972.

MLA (9e ed.) Bronvermelding

Hart, Winfield. Study Guide for Agricultural Pest Control Advisers on Nematodes and Nematicides. University of California, 1972.