Παραπομπή σε μορφή APA (7η εκδ.)

Biller, D. (1994). Informal gold mining and mercury pollution in Brazil. Public Economics Division, Policy Research Department, The World Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Biller, Dan. Informal Gold Mining and Mercury Pollution in Brazil. Washington, D.C: Public Economics Division, Policy Research Department, The World Bank, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Biller, Dan. Informal Gold Mining and Mercury Pollution in Brazil. Public Economics Division, Policy Research Department, The World Bank, 1994.