Dyfyniad APA

Pepin, R., & Porcelli, D. (2002). Origin of noble gases in the terrestrial planets.

Dyfyniad Arddull Chicago

Pepin, R., and D. Porcelli. Origin of Noble Gases in the Terrestrial Planets. 2002.

Dyfyniad MLA

Pepin, R., and D. Porcelli. Origin of Noble Gases in the Terrestrial Planets. 2002.

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