APA

Aitken p., Jones B. L., .Sams teach yourself C in 21 days. Indianapolis: SAMS publishing.

Chicago

Aitken peter, Jones Bradley L, .Sams teach yourself C in 21 days. Indianapolis: SAMS publishing.

Harvard

Aitken p., Jones B. L., .Sams teach yourself C in 21 days. Indianapolis: SAMS publishing.

MLA

Aitken peter, Jones Bradley L, .Indianapolis: SAMS publishing. .