Cita APA (7th ed.)

Beck, L. L., & Manjula, D. (2008). System software: An introduction to systems programming (3rd ed.). Dorling Kindersley (India) Pvt. Ltd.

Cita Chicago (17th ed.)

Beck, Leland L., i D. Manjula. System Software: An Introduction to Systems Programming. 3rd ed. U.P: Dorling Kindersley (India) Pvt. Ltd, 2008.

Cita MLA (9th ed.)

Beck, Leland L., i D. Manjula. System Software: An Introduction to Systems Programming. 3rd ed. Dorling Kindersley (India) Pvt. Ltd, 2008.