Cita APA (7th ed.)
Agor, R. (2017). A textbook of surveying and levelling (12th ed.). Khanna Pub.
Cita Chicago (17th ed.)
Agor, R. A Textbook of Surveying and Levelling. 12th ed. New Delhi: Khanna Pub, 2017.
Cita MLA (9th ed.)
Agor, R. A Textbook of Surveying and Levelling. 12th ed. Khanna Pub, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.