Hanggi, H. (1991). ASEAN and the ZOPFAN concept. Regional Strategic Studies Programme, Institute of Southeast Asian Studies.
Čikaški stil citiranja (17. izdanje)Hanggi, Heiner. ASEAN and the ZOPFAN Concept. Singapore: Regional Strategic Studies Programme, Institute of Southeast Asian Studies, 1991.
MLA način citiranja (9. izdanje)Hanggi, Heiner. ASEAN and the ZOPFAN Concept. Regional Strategic Studies Programme, Institute of Southeast Asian Studies, 1991.
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