记录引文

APA引文

United Nations Environment Progamme (UNEP). (2004). Tài kiệu hướng dẫn sản xuất sạch - sử dụng năng lượng hiệu quả. Paris: UNEP.

Trích dẫn kiểu Chicago

United Nations Environment Progamme (UNEP). Tài Kiệu Hướng Dẫn Sản Xuất Sạch - Sử Dụng Năng Lượng Hiệu Quả. Paris: UNEP, 2004.

MLA引文

United Nations Environment Progamme (UNEP). Tài Kiệu Hướng Dẫn Sản Xuất Sạch - Sử Dụng Năng Lượng Hiệu Quả. Paris: UNEP, 2004.

警告：这些引文格式不一定是100％准确.