APA (7th ed.) Zitazioa
ebrary, Inc, & Fosdyke, G. B. (2008). Coal mining: Research, technology and safety. Nova Science Publishers.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Gerald B. Fosdyke. Coal Mining: Research, Technology and Safety. New York: Nova Science Publishers, 2008.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Gerald B. Fosdyke. Coal Mining: Research, Technology and Safety. Nova Science Publishers, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.