(1974). Chemical analysis of ecological materials. Oxford: Blackwell Scientific Publication.
Dyfyniad Arddull ChicagoChemical Analysis of Ecological Materials. Oxford: Blackwell Scientific Publication, 1974.
Dyfyniad MLAChemical Analysis of Ecological Materials. Oxford: Blackwell Scientific Publication, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.