Cita APA (7a ed.)

Gupta , P. C., & Sawyer, S. (1998). Data Communications.

Cita Chicago Style (17a ed.)

Gupta , Prakash C., y Stacey Sawyer. Data Communications. Prentice Hall Of India, 1998.

Cita MLA (9a ed.)

Gupta , Prakash C., y Stacey Sawyer. Data Communications. 1998.