Gaya APA

Key, S., Sell, C. (c2013). One simple idea for startups and entrepreneurs: live your dreams and create your own profitable company . nyu: McGraw-Hill.

Gaya MLA

Key, Stephen.., Sell, Colleen.. "One simple idea for startups and entrepreneurs: live your dreams and create your own profitable company". nyu: McGraw-Hill, c2013. Buku.