(1982). Chemical analyses and physical properties of 12 coal samples from the Pocahontas field .. United States Gov. Print. Off.
Chicago-Zitierstil (17. Ausg.)Chemical Analyses and Physical Properties of 12 Coal Samples from the Pocahontas Field .. Washington: United States Gov. Print. Off, 1982.
MLA-Zitierstil (9. Ausg.)Chemical Analyses and Physical Properties of 12 Coal Samples from the Pocahontas Field .. United States Gov. Print. Off, 1982.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.