Illich, I. (1973). Tools for conviviality. Heyday.
Cita Chicago Style (17a ed.)Illich, Ivan. Tools for Conviviality. Berkeley: Heyday, 1973.
Cita MLA (9a ed.)Illich, Ivan. Tools for Conviviality. Heyday, 1973.
Precaución: Estas citas no son 100% exactas.