Gaya APA

Wiradnyana, K., Koestoro, L, P. (2007). Megalithic traditions in Nias island (Cet.1 (st print)). Medan: Medan Archological Office.

Gaya MLA

Wiradnyana, Ketut., Koestoro, Lucar, Partanda. "Megalithic traditions in Nias island". Cet.1 (st print) Medan: Medan Archological Office, 2007. Text.