Pettigrew, A. (2011). Scholarship with Impact.
Cita Chicago (17th ed.)Pettigrew, A. Scholarship with Impact. 2011.
Cita MLA (9th ed.)Pettigrew, A. Scholarship with Impact. 2011.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)