Gaya APA

Satrio, J, A. et al (2007). A Combined Catalyst and Sorbent for Enhancing Hydrogen Production from Coal or Biomass . New York: American Chemical Society.

Gaya MLA

Satrio, Justinus, A.. et al. "A Combined Catalyst and Sorbent for Enhancing Hydrogen Production from Coal or Biomass". New York: American Chemical Society, 2007. e-journal.