Cita APA (7a ed.)

ASEAN Hotel & Restaurant Association. (1990). Ready to serve the 21st century: AHRA technical papers, 1990 annual convention. s.n.].

Cita Chicago Style (17a ed.)

ASEAN Hotel & Restaurant Association. Ready to Serve the 21st Century: AHRA Technical Papers, 1990 Annual Convention. [S.l: s.n.], 1990.

Cita MLA (9a ed.)

ASEAN Hotel & Restaurant Association. Ready to Serve the 21st Century: AHRA Technical Papers, 1990 Annual Convention. s.n.], 1990.