Gaya APA
Carmalt, S. (2017).
The Economics of Oil : A primer including geology, energy, economics, politics (Edisi Pertama).
Switzerland:
Springer.
Gaya MLA
Carmalt, S.W..
"The Economics of Oil : A primer including geology, energy, economics, politics".
Edisi Pertama
Switzerland:
Springer,
2017.
Text.