APA引文

(1981). Belgium-Luxembourg. [Paris]: Organisation for Economic Co-operation and Development.

Trích dẫn kiểu Chicago

Belgium-Luxembourg. [Paris]: Organisation for Economic Co-operation and Development, 1981.

MLA引文

Belgium-Luxembourg. [Paris]: Organisation for Economic Co-operation and Development, 1981.

警告：這些引文格式不一定是100％准確.