Cita APA (7th ed.)
ebrary, Inc, & Fosdyke, G. B. (2008). Coal mining: Research, technology and safety. Nova Science Publishers.
Cita Chicago (17th ed.)
ebrary, Inc, i Gerald B. Fosdyke. Coal Mining: Research, Technology and Safety. New York: Nova Science Publishers, 2008.
Cita MLA (9th ed.)
ebrary, Inc, i Gerald B. Fosdyke. Coal Mining: Research, Technology and Safety. Nova Science Publishers, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.