Gaya APA
Wagner, J.
(1980).
The Pneumoconioses Due To Mineral Dust
.
Bandung:
Direktorat Sumber Daya Mineral.
Gaya MLA
Wagner, J.C.
"The Pneumoconioses Due To Mineral Dust".
Bandung:
Direktorat Sumber Daya Mineral,
1980.
Umum.