Dyfyniad APA

Orbis Scientiac. (1975). Part of the proceedings of Orbis Scientiac held by the Centre for theoretical studies, University of Miami, Jan. 1975. University of Miami.

Dyfyniad Arddull Chicago

Orbis Scientiac. Part of the Proceedings of Orbis Scientiac Held by the Centre for Theoretical Studies, University of Miami, Jan. 1975. University of Miami, 1975.

Dyfyniad MLA

Orbis Scientiac. Part of the Proceedings of Orbis Scientiac Held by the Centre for Theoretical Studies, University of Miami, Jan. 1975. University of Miami, 1975.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.