Buc kingham, M. (2005). First break all the rules. Pocket books.
Cita Chicago (17th ed.)Buc kingham, Marcus. First Break All the Rules. London: Pocket books, 2005.
Cita MLA (9th ed.)Buc kingham, Marcus. First Break All the Rules. Pocket books, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.