Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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