American Institute of Cooperation. Session. (1969). American Cooperation 1969: A collection of papers and discussions summarizing the forty-first session of the American Institute of Cooperation (1a edición.). American Institute of Cooperation.
Cita Chicago Style (17a ed.)American Institute of Cooperation. Session. American Cooperation 1969: A Collection of Papers and Discussions Summarizing the Forty-first Session of the American Institute of Cooperation. 1a edición. Washington: American Institute of Cooperation, 1969.
Cita MLA (9a ed.)American Institute of Cooperation. Session. American Cooperation 1969: A Collection of Papers and Discussions Summarizing the Forty-first Session of the American Institute of Cooperation. 1a edición. American Institute of Cooperation, 1969.
