APA引文

(1966). Government purchasing in Europe North America and Japan. Paris: OECD.

Trích dẫn kiểu Chicago

Government Purchasing in Europe North America and Japan. Paris: OECD, 1966.

MLA引文

Government Purchasing in Europe North America and Japan. Paris: OECD, 1966.

警告：這些引文格式不一定是100％准確.