ASEAN Hotel & Restaurant Association. (1990). Ready to serve the 21st century: AHRA technical papers, 1990 annual convention. s.n.].
Čikaški stil citiranja (17. izdanje)ASEAN Hotel & Restaurant Association. Ready to Serve the 21st Century: AHRA Technical Papers, 1990 Annual Convention. [S.l: s.n.], 1990.
MLA način citiranja (9. izdanje)ASEAN Hotel & Restaurant Association. Ready to Serve the 21st Century: AHRA Technical Papers, 1990 Annual Convention. s.n.], 1990.
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