Cita APA (7th ed.)

Duggal, S. K. (2009). Surveying (3rd ed.). Tata McGraw-Hill.

Cita Chicago (17th ed.)

Duggal, S. K. Surveying. 3rd ed. New Delhi: Tata McGraw-Hill, 2009.

Cita MLA (9th ed.)

Duggal, S. K. Surveying. 3rd ed. Tata McGraw-Hill, 2009.