APA aipamena

(1980). Symposium on drilling technology and engineering aids to geological exploration: Proceedings.

Chicago Style aipamena

Symposium on Drilling Technology and Engineering Aids to Geological Exploration: Proceedings. Calcutta, 1980.

MLA aipamena

Symposium on Drilling Technology and Engineering Aids to Geological Exploration: Proceedings. 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.