Gaya APA

(ed), M, W. (1983). Proceedings of the third international philosophy conference Unity of knowledge 15-18 december 1980 cairo (egypt) . : ain sham univ press.

Gaya MLA

(ed), Mourad, Wahba. "Proceedings of the third international philosophy conference Unity of knowledge 15-18 december 1980 cairo (egypt)". : ain sham univ press, 1983. Text.