APA način citiranja (7. izdanje)
Collins, H. (2003). Enterprise knowledge portals: Next-generation portal solutions for dynamic information access, better decision making, and maximum results. AMACOM.
Čikaški stil citiranja (17. izdanje)
Collins, Heidi. Enterprise Knowledge Portals: Next-generation Portal Solutions for Dynamic Information Access, Better Decision Making, and Maximum Results. New York: AMACOM, 2003.
MLA način citiranja (9. izdanje)
Collins, Heidi. Enterprise Knowledge Portals: Next-generation Portal Solutions for Dynamic Information Access, Better Decision Making, and Maximum Results. AMACOM, 2003.
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