Hartwick, J. M., & Kanemoto, Y. (1984). Formation of convoys, tennis ladders, colleges, and related groups. Institute for Economic Research, Queen's University.
Chicago-referens (17:e uppl.)Hartwick, John M., och Yoshitsugu Kanemoto. Formation of Convoys, Tennis Ladders, Colleges, and Related Groups. Kingston, Ontario, Canada: Institute for Economic Research, Queen's University, 1984.
MLA-referens (9:e uppl.)Hartwick, John M., och Yoshitsugu Kanemoto. Formation of Convoys, Tennis Ladders, Colleges, and Related Groups. Institute for Economic Research, Queen's University, 1984.
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