Parker, S. P. (1994). World Geographical Encyclopedia: V. 2: Americas. Saint Joseph's University.
Chicago Style (17th ed.) CitationParker, Sybil P. World Geographical Encyclopedia: V. 2: Americas. Saint Joseph's University, 1994.
Cita MLAParker, Sybil P. World Geographical Encyclopedia: V. 2: Americas. Saint Joseph's University, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.