Gaya APA

Lahar, H. et al (1986). Mineral Exploration of The Dusun Intrusive Complex Aceh Tengah, Northern Sumatra: A Final report on The 1984 Fieldwork . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Lahar, H.. et al. "Mineral Exploration of The Dusun Intrusive Complex Aceh Tengah, Northern Sumatra: A Final report on The 1984 Fieldwork". Bandung: Pusat Sumber Daya Geologi, 1986. Geokimia.