Campbell, C., & Collins, D. (2015). Entrepreneurial skill development. Delve Publishing LLC.
Citazione stile Chigago Style (17a edizione)Campbell, Christopher, e Daniel Collins. Entrepreneurial Skill Development. New York, N.Y: Delve Publishing LLC, 2015.
Citatione MLA (9a ed.)Campbell, Christopher, e Daniel Collins. Entrepreneurial Skill Development. Delve Publishing LLC, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.