APA Style
International Conference U.S. Geological survey (2001 : Reston, Virginia). ().
Coal Quality [computer file]: proceedings of the global priorities international conference U.S. geological survey; held at Virginia from September 24-26, 2001. .
:
.
Chicago Style
International Conference U.S. Geological survey (2001 : Reston, Virginia).
Coal Quality [computer file]: proceedings of the global priorities international conference U.S. geological survey; held at Virginia from September 24-26, 2001..
:
,
.
.
MLA Style
International Conference U.S. Geological survey (2001 : Reston, Virginia).
Coal Quality [computer file]: proceedings of the global priorities international conference U.S. geological survey; held at Virginia from September 24-26, 2001..
:
,
.
.
Turabian Style
International Conference U.S. Geological survey (2001 : Reston, Virginia).
Coal Quality [computer file]: proceedings of the global priorities international conference U.S. geological survey; held at Virginia from September 24-26, 2001..
:
,
.
.