APA استشهاد

Cooper,J.I. (1993). Virus diseases of trees and shrubs (2nd ed.). Chapman and Hall.

استشهاد بنمط شيكاغو

Cooper,J.I. Virus Diseases of Trees and Shrubs. 2nd ed. London: Chapman and Hall, 1993.

MLA استشهاد

Cooper,J.I. Virus Diseases of Trees and Shrubs. 2nd ed. Chapman and Hall, 1993.