Cita APA

Harf, J. E., & Lombardi, M. O. (2013). Taking sides: Clashing view in global issues. Guilford: McGraw-Hill.

Chicago Style Citation

Harf, James E., i Mark Owen Lombardi. Taking Sides: Clashing View in Global Issues. Guilford: McGraw-Hill, 2013.

Cita MLA

Harf, James E., i Mark Owen Lombardi. Taking Sides: Clashing View in Global Issues. Guilford: McGraw-Hill, 2013.

Atenció: Aquestes cites poden no estar 100% correctes.