(1986). Plant Ecology. Blackwell Sccientific.
Dyfyniad Arddull ChicagoPlant Ecology. Blackwell Sccientific, 1986.
Dyfyniad MLAPlant Ecology. Blackwell Sccientific, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
(1986). Plant Ecology. Blackwell Sccientific.
Dyfyniad Arddull ChicagoPlant Ecology. Blackwell Sccientific, 1986.
Dyfyniad MLAPlant Ecology. Blackwell Sccientific, 1986.