Bourne, R., Frei Montalva, E., Guevara, C., Kubitschek, J., Lacerda, C., Perón, E., & Stroessner, A. (1969). Political leaders of Latin America. Middlesex GB: Penguin Book.

Bourne, Richard., Eduardo Frei Montalva, Che Guevara, Juscelino Kubitschek, Carlos Lacerda, Eva Perón, and Alfredo Stroessner. Political Leaders of Latin America. Middlesex GB: Penguin Book, 1969.

Bourne, Richard., et al. Political Leaders of Latin America. Middlesex GB: Penguin Book, 1969.