Gaya APA
Philip J. Wilson, JR., PhD, Joseph H. Wells, PhD. (1950).
Coal, Coke and Coal Chemicals .
Amerika:
McGrawHill Book Company.
Gaya Chicago
Philip J. Wilson, JR., PhD, Joseph H. Wells, PhD.
Coal, Coke and Coal Chemicals.
Amerika:
McGrawHill Book Company,
1950.
Text.
Gaya MLA
Philip J. Wilson, JR., PhD, Joseph H. Wells, PhD.
Coal, Coke and Coal Chemicals.
Amerika:
McGrawHill Book Company,
1950.
Text.
Gaya Turabian
Philip J. Wilson, JR., PhD, Joseph H. Wells, PhD.
Coal, Coke and Coal Chemicals.
Amerika:
McGrawHill Book Company,
1950.
Print.