توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

American University (Washington, D.C.). Foreign Area Studies, Nyrop, R. F., & Weil, T. E. (1980). Panama: A country study (3d ed.). The University : for sale by the Supt. of Docs., U.S. Govt. Print. Off..

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

American University (Washington, D.C.). Foreign Area Studies, Richard F. Nyrop, و Thomas E. Weil. Panama: A Country Study. 3d ed. Washington, D.C.: The University : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1980.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

American University (Washington, D.C.). Foreign Area Studies, et al. Panama: A Country Study. 3d ed. The University : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1980.