Cita APA (7th ed.)

Vries, E. d., & Medina Echavarría, J. (1963). Social aspects of economic development in Latin America. UNESCO.

Cita Chicago (17th ed.)

Vries, Egbert de, i José Medina Echavarría. Social Aspects of Economic Development in Latin America. Tournai: UNESCO, 1963.

Cita MLA (9th ed.)

Vries, Egbert de, i José Medina Echavarría. Social Aspects of Economic Development in Latin America. UNESCO, 1963.