APA引文

(1970). Challenges from the future: Proceeding of the international future research conference. Kodansha: Japan Society of Futurology.

Trích dẫn kiểu Chicago

Challenges From the Future: Proceeding of the International Future Research Conference. Kodansha: Japan Society of Futurology, 1970.

MLA引文

Challenges From the Future: Proceeding of the International Future Research Conference. Kodansha: Japan Society of Futurology, 1970.

警告：这些引文格式不一定是100％准确.