APA aipamena

(1975). Hazards in Tunnelling and on Faleswork. Institution of Civil Engineers.

Chicago Style aipamena

Hazards in Tunnelling and on Faleswork. London: Institution of Civil Engineers, 1975.

MLA aipamena

Hazards in Tunnelling and on Faleswork. Institution of Civil Engineers, 1975.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.