Gaya APA

Purwantoro, R, S. et al (2012). Potential of cogon grass as an oil sorbent (Vol. 14, No. 1, Tahun). : .

Gaya MLA

Purwantoro, R., Subekti. et al. "Potential of cogon grass as an oil sorbent". Vol. 14, No. 1, Tahun : , 2012. Text.