(1970). Challenges from the future: Proceedings of the international future research conference. Kodansha: Japan Society Of Futurology.
استشهاد بنمط شيكاغوChallenges From the Future: Proceedings of the International Future Research Conference. Kodansha: Japan Society Of Futurology, 1970.
MLA استشهادChallenges From the Future: Proceedings of the International Future Research Conference. Kodansha: Japan Society Of Futurology, 1970.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.