Petikan APA

Hamza, U. D., Nasri, N. S., S. Amin, N. A., Mohammed, J., & M. Zain, H. (2016). Characteristics of oil palm shell biochar and activated carbon prepared at different carbonization times. Taylor and Francis Inc.

Petikan Gaya Chicago

Hamza, Usman D., Noor S. Nasri, Nor Aishah S. Amin, Jibril Mohammed, and Husna M. Zain. Characteristics of Oil Palm Shell Biochar and Activated Carbon Prepared At Different Carbonization Times. Taylor and Francis Inc, 2016.

Petikan MLA

Hamza, Usman D., et al. Characteristics of Oil Palm Shell Biochar and Activated Carbon Prepared At Different Carbonization Times. Taylor and Francis Inc, 2016.