Tsuru, S. (1970). Proceedings of International Symposium Environmental Disruption. Tokyo: The International Social Science Council.
Παραπομπή Chicago StyleTsuru, Shigeto. Proceedings of International Symposium Environmental Disruption. Tokyo: The International Social Science Council, 1970.
Παραπομπή MLATsuru, Shigeto. Proceedings of International Symposium Environmental Disruption. Tokyo: The International Social Science Council, 1970.
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