Gaya APA
Skinner, Brian J., Permana. (1976).
Sunber Daya Bumi .
Yogyakarta:
Gadjah Mada University Press.
Gaya Chicago
Skinner, Brian J., Permana.
Sunber Daya Bumi.
Yogyakarta:
Gadjah Mada University Press,
1976.
Teks.
Gaya MLA
Skinner, Brian J., Permana.
Sunber Daya Bumi.
Yogyakarta:
Gadjah Mada University Press,
1976.
Teks.
Gaya Turabian
Skinner, Brian J., Permana.
Sunber Daya Bumi.
Yogyakarta:
Gadjah Mada University Press,
1976.
Teks.