Kahn, H., Brown, W., & Martel, L. (1977). The next 200 years: A scenario for America and the world. Associated Business Programmes.
Chicagoスタイル(17版)引用形式Kahn, Herman, William Brown, , Leon Martel. The Next 200 Years: A Scenario for America and the World. London: Associated Business Programmes, 1977.
MLA(8版)引用形式Kahn, Herman, et al. The Next 200 Years: A Scenario for America and the World. Associated Business Programmes, 1977.
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