Levine, D. H., Kuczynski, P. P., Tugwell, F. 1., Fuad, K., Martz, J. D. 1., & Bond, R. D. 1. (1977). Contemporary Venezuela and its role in international affairs. New York: New York University Press.

Levine, Daniel H., Pedro Pablo Kuczynski, Franklin 1942- Tugwell, Kim Fuad, John D. 1934-1998 Martz, and Robert D. 1946- Bond. Contemporary Venezuela and Its Role in International Affairs. New York: New York University Press, 1977.

Levine, Daniel H., et al. Contemporary Venezuela and Its Role in International Affairs. New York: New York University Press, 1977.