Citazione Stile APA (7a Edizione)

Ashley, R. (1991). Teach yourself UNIX. Management Information Source.

Citazione stile Chigago Style (17a edizione)

Ashley, Ruth. Teach Yourself UNIX. New York: Management Information Source, 1991.

Citatione MLA (9a ed.)

Ashley, Ruth. Teach Yourself UNIX. Management Information Source, 1991.