APA استشهاد

(1971). Problems of the human environment in Japan: Report to the United Nations, March 31, 1971. United Nations: Japan.

استشهاد بنمط شيكاغو

Problems of the Human Environment in Japan: Report to the United Nations, March 31, 1971. United Nations: Japan, 1971.

MLA استشهاد

Problems of the Human Environment in Japan: Report to the United Nations, March 31, 1971. United Nations: Japan, 1971.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.