APA aipamena

BASAK.N.N. SURVEYING & LEVELLING. MC-GRAW HILL.

Chicago Style aipamena

BASAK.N.N. SURVEYING & LEVELLING. NEW DELHI: MC-GRAW HILL.

MLA aipamena

BASAK.N.N. SURVEYING & LEVELLING. MC-GRAW HILL.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.