APA Style

S.Ranjbar, D. et al (1990). Trieste Conference on Recent Developments in Conformal Field Theories : ICTP.Treste.Italy October 2-4. 1989 . Singapore: WORLD SCIENTIFIC.

MLA Style

S.Ranjbar, Daemi.. et al. "Trieste Conference on Recent Developments in Conformal Field Theories : ICTP.Treste.Italy October 2-4. 1989". Singapore: WORLD SCIENTIFIC, 1990. Buku.