Cita APA (7th ed.)

Leach, D. (2011). Digital principles and applications (7th.). Tata McGraw Hill.

Cita Chicago (17th ed.)

Leach, D. Digital Principles and Applications. 7th. Delhi: Tata McGraw Hill, 2011.

Cita MLA (9th ed.)

Leach, D. Digital Principles and Applications. 7th. Tata McGraw Hill, 2011.