APA استشهاد

Ashley, R., & Fernandez, J. (1990). Teach yourself UNIX: Includes languages and power tools. BPB.

استشهاد بنمط شيكاغو

Ashley, Ruth, و Judein Fernandez. Teach Yourself UNIX: Includes Languages and Power Tools. New Delhi: BPB, 1990.

MLA استشهاد

Ashley, Ruth, و Judein Fernandez. Teach Yourself UNIX: Includes Languages and Power Tools. BPB, 1990.