Asian Productivity Organization (Tokyo). (1981). Annual report 1980 (1ra. ed.). APO.
Cita Chicago Style (17a ed.)Asian Productivity Organization (Tokyo). Annual Report 1980. 1ra. ed. Tokio: APO, 1981.
Cita MLA (8a ed.)Asian Productivity Organization (Tokyo). Annual Report 1980. 1ra. ed. APO, 1981.
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