Gaya APA

TAFTAZANI, A. et al (2017). Comparison of NAA XRF and ICP-OES methods on analysis of heavy metals in coals and combustion residues . Yogyakarta: Department of Chemistry UGM.

Gaya MLA

TAFTAZANI, Agus. et al. "Comparison of NAA XRF and ICP-OES methods on analysis of heavy metals in coals and combustion residues". Yogyakarta: Department of Chemistry UGM, 2017. Artikel.