(1966). Government purchasing in Europe North America and Japan. Paris: OECD.
Trích dẫn kiểu ChicagoGovernment 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.