APA (7e ed.) Bronvermelding

ELKINGTON JOHN. (2008). POWER OF UNREASONABLE PEOPLE. HARVARD BUSINESS SCHOOL PRESS.

Chicago (17e ed.) Bronvermelding

ELKINGTON JOHN. POWER OF UNREASONABLE PEOPLE. BOSTON: HARVARD BUSINESS SCHOOL PRESS, 2008.

MLA (9e ed.) Bronvermelding

ELKINGTON JOHN. POWER OF UNREASONABLE PEOPLE. HARVARD BUSINESS SCHOOL PRESS, 2008.

Let op: Deze citaties zijn niet altijd 100% accuraat.