APA (7e ed.) Bronvermelding

Freeman, R. E. a. (2015). Bridging the Value Gap. Harpercollins.

Chicago (17e ed.) Bronvermelding

Freeman, R. Edward; auster. Bridging the Value Gap. Noida: Harpercollins, 2015.

MLA (9e ed.) Bronvermelding

Freeman, R. Edward; auster. Bridging the Value Gap. Harpercollins, 2015.