Παραπομπή σε μορφή APA (7η εκδ.)

Peru. Laws, statutes, etc, & Peru. Ministry of Economy and Finance. Office of Public Relations. (1971). Normative decree law of the mining industry no. 18225. Office of Public Relations, Ministry of Economy and Finance.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Peru. Laws, statutes, etc, και Peru. Ministry of Economy and Finance. Office of Public Relations. Normative Decree Law of the Mining Industry No. 18225. Peru: Office of Public Relations, Ministry of Economy and Finance, 1971.

Παραπομπή σε μορφή MLA (9th εκδ.)

Peru. Laws, statutes, etc, και Peru. Ministry of Economy and Finance. Office of Public Relations. Normative Decree Law of the Mining Industry No. 18225. Office of Public Relations, Ministry of Economy and Finance, 1971.