APA-viite (7. p.)
Ward, B., D'anjou, L., & Runnalls, J. (1971). The widening gap: Development in the 1970's : a report on the Columbia Conference on International Economic Development Williamsburg, Virginia, and New York, february 15-21, 1970.
Chicago-viite (17. p.)
Ward, Barbara, Lenore D'anjou, ja J.D Runnalls. The Widening Gap: Development in the 1970's : A Report on the Columbia Conference on International Economic Development Williamsburg, Virginia, and New York, February 15-21, 1970. 1971.
MLA-viite (9. p.)
Ward, Barbara, et al. The Widening Gap: Development in the 1970's : A Report on the Columbia Conference on International Economic Development Williamsburg, Virginia, and New York, February 15-21, 1970. 1971.
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