Lua APA (7ú heag.)
ebrary, Inc, & Fosdyke, G. B. (2008). Coal mining: Research, technology and safety. Nova Science Publishers.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Gerald B. Fosdyke. Coal Mining: Research, Technology and Safety. New York: Nova Science Publishers, 2008.
Lua MLA (9ú heag.)
ebrary, Inc, agus Gerald B. Fosdyke. Coal Mining: Research, Technology and Safety. Nova Science Publishers, 2008.
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