Dyfyniad APA
Ryan, P. (2014). Environmental and low temperature geochemistry. John Wiley & Sons Inc..
Dyfyniad Arddull Chicago
Ryan, Peter. Environmental and Low Temperature Geochemistry. Chichester, West Sussex ; Hoboken, NJ: John Wiley & Sons Inc., 2014.
Dyfyniad MLA
Ryan, Peter. Environmental and Low Temperature Geochemistry. John Wiley & Sons Inc., 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.