APA Style
COAL INTERPRETATION MANUAL. (1981).
England:
BPB Instruments Limited.
Chicago Style
COAL INTERPRETATION MANUAL.
.
England:
BPB Instruments Limited,
1981.
Text.
MLA Style
COAL INTERPRETATION MANUAL.
.
England:
BPB Instruments Limited,
1981.
Text.
Turabian Style
COAL INTERPRETATION MANUAL.
England:
BPB Instruments Limited,
1981.
Print.