Dyfyniad APA

Condie, K. C. (2011). Earth as an evolving planetary system (2nd ed.). Academic.

Dyfyniad Arddull Chicago

Condie, Kent C. Earth as an Evolving Planetary System. 2nd ed. Amsterdam ; Boston: Academic, 2011.

Dyfyniad MLA

Condie, Kent C. Earth as an Evolving Planetary System. 2nd ed. Academic, 2011.

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