(1991). The world competitiveness report 1991. Switzerland: IMD Publishing.
Čikaški stil citiranjaThe World Competitiveness Report 1991. Switzerland: IMD Publishing, 1991.
MLA način citiranjaThe World Competitiveness Report 1991. Switzerland: IMD Publishing, 1991.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.