Cita APA (7th ed.)

Todino, G., Strang, J., & Peck, J. (1993). Learning the UNIX operating system: Grace Todino. O'Reilly & Associates.

Cita Chicago (17th ed.)

Todino, Grace, John Strang, i Jerry Peck. Learning the UNIX Operating System: Grace Todino. Sobastopol, Ca: O'Reilly & Associates, 1993.

Cita MLA (9th ed.)

Todino, Grace, et al. Learning the UNIX Operating System: Grace Todino. O'Reilly & Associates, 1993.