APA (7e ed.) Bronvermelding

Horowitz Ben. (2014). The hard thing about hard things: Building a business when there are no easy answers. HarperCollins.

Chicago (17e ed.) Bronvermelding

Horowitz Ben. The Hard Thing About Hard Things: Building a Business When There Are No Easy Answers. New York: HarperCollins, 2014.

MLA (9e ed.) Bronvermelding

Horowitz Ben. The Hard Thing About Hard Things: Building a Business When There Are No Easy Answers. HarperCollins, 2014.

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