Cita APA (7a ed.)
Agor, R. A Text Book of Surveying and Levelling. Khanna Publications.
Cita Chicago Style (17a ed.)
Agor, R. A Text Book of Surveying and Levelling. New Delhi: Khanna Publications.
Cita MLA (9a ed.)
Agor, R. A Text Book of Surveying and Levelling. Khanna Publications.
Precaución: Estas citas no son 100% exactas.