Cita APA (7th ed.)

Beck, L. L. (1995). System software: An introduction to systems programming (3rd ed.). Addison-Wesley ; Pearson education.

Cita Chicago (17th ed.)

Beck, Leland L. System Software: An Introduction to Systems Programming. 3rd ed. Reading, Mass. : Delhi: Addison-Wesley ; Pearson education, 1995.

Cita MLA (8th ed.)

Beck, Leland L. System Software: An Introduction to Systems Programming. 3rd ed. Addison-Wesley ; Pearson education, 1995.