Gaya APA
Perman, Roger, Ma, Yue, Common, Michael, Maddison David. (2011).
Natural Resource and Environmental Economics (Ed. 4).
England:
Pearson.
Gaya Chicago
Perman, Roger, Ma, Yue, Common, Michael, Maddison David.
Natural Resource and Environmental Economics.
Ed. 4
England:
Pearson,
2011.
Text.
Gaya MLA
Perman, Roger, Ma, Yue, Common, Michael, Maddison David.
Natural Resource and Environmental Economics.
Ed. 4
England:
Pearson,
2011.
Text.
Gaya Turabian
Perman, Roger, Ma, Yue, Common, Michael, Maddison David.
Natural Resource and Environmental Economics.
Ed. 4
England:
Pearson,
2011.
Print.