Rothman, H. (2011). 50 Companies that Changed the World. Random House Business Books.
Citazione stile Chigago Style (17a edizione)Rothman, Howard. 50 Companies That Changed the World. London: Random House Business Books, 2011.
Citatione MLA (9a ed.)Rothman, Howard. 50 Companies That Changed the World. Random House Business Books, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.