APA引文

Organisation for Economic Co-operation and Development. (2020). The circular economy in Valladolid, Spain. OECD.

Chicago Style (17th ed.) Citation

Organisation for Economic Co-operation and Development. The Circular Economy in Valladolid, Spain. Paris: OECD, 2020.

MLA引文

Organisation for Economic Co-operation and Development. The Circular Economy in Valladolid, Spain. OECD, 2020.

警告：這些引文格式不一定是100％准確.