Interdisciplinary Communications Program, Conference on Origins of Life. Elkridge, Md., & Margulis, L. (1973). Chemistry and radioastronomy: Proceedings. Springer-Verlag.
Dyfyniad Arddull ChicagoInterdisciplinary Communications Program, Md Conference on Origins of Life. Elkridge, and Lynn Margulis. Chemistry and Radioastronomy: Proceedings. New York: Springer-Verlag, 1973.
Dyfyniad MLAInterdisciplinary Communications Program, et al. Chemistry and Radioastronomy: Proceedings. Springer-Verlag, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.