APA (7e ed.) Bronvermelding

Freiberg, K. (2004). Guts: Companies that blow the doors off business as usual. Currency.

Chicago (17e ed.) Bronvermelding

Freiberg, Kevin. Guts: Companies That Blow the Doors off Business as Usual. New york: Currency, 2004.

MLA (9e ed.) Bronvermelding

Freiberg, Kevin. Guts: Companies That Blow the Doors off Business as Usual. Currency, 2004.

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