Cita APA (7th ed.)

Sumner, M. (1988). Computers: Concepts and uses (2nd ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Sumner, Mary. Computers: Concepts and Uses. 2nd ed. Englewood Cliffs, N. J: Prentice-Hall, 1988.

Cita MLA (9th ed.)

Sumner, Mary. Computers: Concepts and Uses. 2nd ed. Prentice-Hall, 1988.