APA
Kochan S. G. &. W. P. H., . (1987). Exploring the unix system. CBS Publishers & Distributors Pvt. Ltd., New Delhi: .
Chicago
Kochan Stephen G & Wood Patrick H, . 1987. Exploring the unix system. CBS Publishers & Distributors Pvt. Ltd., New Delhi: .
Harvard
Kochan S. G. &. W. P. H., . (1987). Exploring the unix system. CBS Publishers & Distributors Pvt. Ltd., New Delhi: .
MLA
Kochan Stephen G & Wood Patrick H, . Exploring the unix system. CBS Publishers & Distributors Pvt. Ltd., New Delhi: . 1987.