APA aipamena

Shepard, B. (1987). Helpful insects, spiders and pathogens. International Rice Research Institute.

Chicago Style aipamena

Shepard, B.M. Helpful Insects, Spiders and Pathogens. Los Baños, Laguna: International Rice Research Institute, 1987.

MLA aipamena

Shepard, B.M. Helpful Insects, Spiders and Pathogens. International Rice Research Institute, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.