Cita APA (7a ed.)

Thorpe, N. M., & Ross, D. (1992). X.25 made easy. Prentice-Hall.

Cita Chicago Style (17a ed.)

Thorpe, Nicolas M., y Derek Ross. X.25 Made Easy. New York [etc.]: Prentice-Hall, 1992.

Cita MLA (9a ed.)

Thorpe, Nicolas M., y Derek Ross. X.25 Made Easy. Prentice-Hall, 1992.