Cita APA (7th ed.)

Inter-American Development Bank. Socio-economic Development Division & Echevarria Salvat, O. A. (1967). Socio-economic data and parameters of Venezuela, 1950-1965. [s.n.].

Cita Chicago (17th ed.)

Inter-American Development Bank. Socio-economic Development Division i Oscar A. Echevarria Salvat. Socio-economic Data and Parameters of Venezuela, 1950-1965. Washington, D. C: [s.n.], 1967.

Cita MLA (9th ed.)

Inter-American Development Bank. Socio-economic Development Division i Oscar A. Echevarria Salvat. Socio-economic Data and Parameters of Venezuela, 1950-1965. [s.n.], 1967.