APA (7th ed.) Zitazioa
Basak , . N. N. (2014). Surveying & Levelling (2nd ed.). McGraw Hill Education.
Chicago Style (17th ed.) Zitazioa
Basak , N N. Surveying & Levelling. 2nd ed. New Delhi: McGraw Hill Education, 2014.
MLA (9th ed.) Zitazioa
Basak , N N. Surveying & Levelling. 2nd ed. McGraw Hill Education, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.