Gaya APA
Skinner, Brian J., Permana. (1984).
Sumber Daya Bumi .
Yogyakarta:
Gadjah Mada University Press.
Gaya Chicago
Skinner, Brian J., Permana.
Sumber Daya Bumi.
Yogyakarta:
Gadjah Mada University Press,
1984.
Book.
Gaya MLA
Skinner, Brian J., Permana.
Sumber Daya Bumi.
Yogyakarta:
Gadjah Mada University Press,
1984.
Book.
Gaya Turabian
Skinner, Brian J., Permana.
Sumber Daya Bumi.
Yogyakarta:
Gadjah Mada University Press,
1984.
Book.