Gaya APA

na, L, P, K, &, K, W. (2007). Megalithic Traditions In Nias Island . Medan: Medan Archeological Office.

Gaya MLA

na, Lucas, Pertanda, Koestoro, &, Ketut, Wiradnya. "Megalithic Traditions In Nias Island". Medan: Medan Archeological Office, 2007. Text.