Gaya APA

[et.al.], B, J. (2007). Effects of chemical modification of petroleum cokes on the properties of the resulting activated carbon . : Elsevier Ltd. All rights reserved.

Gaya MLA

[et.al.], Baocheng, Jiang. "Effects of chemical modification of petroleum cokes on the properties of the resulting activated carbon". : Elsevier Ltd. All rights reserved, 2007. e-journal.