Gaya APA

50:50, 6, 4, D. (2011). Physical characterization and desulfurization of bio-briquette using calcium-based adsorbent (Vol. 15, No. 2, Tahun). : American foundations information service.

Gaya MLA

50:50, 60;, 40, Dan. "Physical characterization and desulfurization of bio-briquette using calcium-based adsorbent". Vol. 15, No. 2, Tahun : American foundations information service, 2011. Text.