Παραπομπή APA

Whitney,E D et al. (1991). Compendium of beet deseases and insects. APS Press.

Παραπομπή Chicago Style

Whitney,E D et al. Compendium of Beet Deseases and Insects. USA: APS Press, 1991.

Παραπομπή MLA

Whitney,E D et al. Compendium of Beet Deseases and Insects. APS Press, 1991.