Citazione Stile APA (7a Edizione)

(1974). Nature and existence of man ; Humanism and technological revolution ; Language, logic and action ; Man, logos and history ; Society and its norms. Sofia Pr..

Citazione stile Chigago Style (17a edizione)

Nature and Existence of Man ; Humanism and Technological Revolution ; Language, Logic and Action ; Man, Logos and History ; Society and Its Norms. Sofia: Sofia Pr., 1974.

Citatione MLA (8a ed.)

Nature and Existence of Man ; Humanism and Technological Revolution ; Language, Logic and Action ; Man, Logos and History ; Society and Its Norms. Sofia Pr., 1974.