Gaya APA

al., E. et al (1992). Plant Diseases Of International Importance; Diseases Of Vegetables And Oil Seed Crops . New Jersey: Prentice-Hall, Inc.

Gaya MLA

al., Et. et al. "Plant Diseases Of International Importance; Diseases Of Vegetables And Oil Seed Crops". New Jersey: Prentice-Hall, Inc, 1992. Text.