Penggayaan APA
PERMAN, Roger, McGILVRAY, James, COMMON, Michael. (2003).
NATURAL resource and environmental economics (3th ed.).
England:
Pearson Education Limited.
Chicago Style
PERMAN, Roger, McGILVRAY, James, COMMON, Michael.
NATURAL resource and environmental economics.
3th ed.
England:
Pearson Education Limited,
2003.
Text.
MLA Style
PERMAN, Roger, McGILVRAY, James, COMMON, Michael.
NATURAL resource and environmental economics.
3th ed.
England:
Pearson Education Limited,
2003.
Text.
Turabian Style
PERMAN, Roger, McGILVRAY, James, COMMON, Michael.
NATURAL resource and environmental economics.
3th ed.
England:
Pearson Education Limited,
2003.
Print.