Cita APA (7th ed.)
Angwin. Exploring Strategy 13/e. Pearson.
Cita Chicago (17th ed.)
Angwin. Exploring Strategy 13/e. Pearson.
Cita MLA (9th ed.)
Angwin. Exploring Strategy 13/e. Pearson.
Atenció: Aquestes cites poden no estar 100% correctes.