Gaya APA

Dharma, F, U, S. (2010). Sigma, Jurnal Sains dan Teknologi, XRD And Sem Investigation (Volume 13, Nomor 2 Juli). Yogyakarta: FMIPA universitas Sanata Dharma.

Gaya MLA

Dharma, FMIPA, Universitas, Sanata. "Sigma, Jurnal Sains dan Teknologi, XRD And Sem Investigation". Volume 13, Nomor 2 Juli Yogyakarta: FMIPA universitas Sanata Dharma, 2010. Jurnal TM.