Gaya APA

Akbar, I, Z. et al (2011). Decreased Osteoblasts and Increased Osteoclasts in Rats After Coal dust Exposure . Jakarta: .

Gaya MLA

Akbar, Izaak, Zoelkarnain. et al. "Decreased Osteoblasts and Increased Osteoclasts in Rats After Coal dust Exposure". Jakarta: , 2011. Text.