Cita APA

Lengyel, P. (1971). Approaches to the science of socio-economic development. Unesco.

Citación estilo Chicago

Lengyel, Peter. Approaches to the Science of Socio-economic Development. Paris: Unesco, 1971.

Cita MLA

Lengyel, Peter. Approaches to the Science of Socio-economic Development. Unesco, 1971.

Warning: These citations may not always be 100% accurate.