Gaya APA

Lahar, H. et al (1986). Mineral Exploration of The Geunteut and Kr. Lhoong Areas Aceh Province, Northern Sumatra . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Lahar, H.. et al. "Mineral Exploration of The Geunteut and Kr. Lhoong Areas Aceh Province, Northern Sumatra". Bandung: Pusat Sumber Daya Geologi, 1986. Geokimia.