Gaya APA

Sarundajang, S, H., Rotinsulu, L. (2011). Geostrategy: North Sulawesi becoming Indonesia’s gateway in a Asia-Pacific . : Kata Hasta Pustaka.

Gaya MLA

Sarundajang, S., H.., Rotinsulu, Laura. "Geostrategy: North Sulawesi becoming Indonesia’s gateway in a Asia-Pacific". : Kata Hasta Pustaka, 2011. Buku Cetak.