Citazione Stile APA (7a Edizione)

Somera, N. (1999). Indigenous peoples call for end of mining operations. Philippine Collegian.

Citazione stile Chigago Style (17a edizione)

Somera, Nina. "Indigenous Peoples Call for End of Mining Operations." Philippine Collegian 1999.

Citatione MLA (9a ed.)

Somera, Nina. "Indigenous Peoples Call for End of Mining Operations." Philippine Collegian, 1999.