Dyfyniad APA
Speight James G. (2015). Handbook of Coal Analysis (2nd ed.). John Willey.
Dyfyniad Arddull Chicago
Speight James G. Handbook of Coal Analysis. 2nd ed. New Jersey: John Willey, 2015.
Dyfyniad MLA
Speight James G. Handbook of Coal Analysis. 2nd ed. John Willey, 2015.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.