APA
Cavallo A. J., .Hubbert's model: uses, meanings, and limits - 2. : .
Chicago
Cavallo Alfred J, .Hubbert's model: uses, meanings, and limits - 2. : .
Harvard
Cavallo A. J., .Hubbert's model: uses, meanings, and limits - 2. : .
MLA
Cavallo Alfred J, .: . .
