APA način citiranja (7. izdanje)

HAGEL JOHN. (2005). ONLY SUSTAINABLE EDGE. HARVARD BUSINESS SCHOOL PRESS.

Čikaški stil citiranja (17. izdanje)

HAGEL JOHN. ONLY SUSTAINABLE EDGE. BOSTON: HARVARD BUSINESS SCHOOL PRESS, 2005.

MLA način citiranja (9. izdanje)

HAGEL JOHN. ONLY SUSTAINABLE EDGE. HARVARD BUSINESS SCHOOL PRESS, 2005.