Gaya APA
Lithotype and chemical characteristic of the south walker creek coals, bowen basin, australia. (2013).
Bandung:
Pusat Survei Geologi, Badan Geologi.
Gaya MLA
Lithotype and chemical characteristic of the south walker creek coals, bowen basin, australia.
.
Bandung:
Pusat Survei Geologi, Badan Geologi,
2013.
Artikel.