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.
芝加哥风格引文Peru. Laws, statutes, etc, 与 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.
MLA引文Peru. Laws, statutes, etc, 与 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.
警告：这些引文格式不一定是100％准确.