Gaya APA

Wu, Q. et al (2007). Transesterification of Cottonseed Oil Catalyzed by Brønsted Acidic Ionic Liquids . Washington, DC: American Chemical Society.

Gaya MLA

Wu, Qin. et al. "Transesterification of Cottonseed Oil Catalyzed by Brønsted Acidic Ionic Liquids". Washington, DC: American Chemical Society, 2007. e-journal.