Παραπομπή APA

D A Ritchie & K M Smith. (1980). Introduction to Virology. Chapman and Hall.

Παραπομπή Chicago Style

D A Ritchie και K M Smith. Introduction to Virology. Chapman and Hall, 1980.

Παραπομπή MLA

D A Ritchie και K M Smith. Introduction to Virology. Chapman and Hall, 1980.