Columbia University. The American Assembly. (1981). México and the United States. Prentice Hall.
Cita Chicago (17th ed.)Columbia University. The American Assembly. México and the United States. Prentice Hall, 1981.
Cita MLA (9th ed.)Columbia University. The American Assembly. México and the United States. Prentice Hall, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.