APA-čujuhus (7. p.)
Agor, R. (2017). A textbook of surveying and levelling (12th ed.). Khanna Pub.
Chicago-čujuhus (17. p.)
Agor, R. A Textbook of Surveying and Levelling. 12th ed. New Delhi: Khanna Pub, 2017.
MLA-čujuhus (9. p.)
Agor, R. A Textbook of Surveying and Levelling. 12th ed. Khanna Pub, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.