Kardong, K. V. (2005). An introduction to biological. London: McGraw-Hill.
Dyfyniad Arddull ChicagoKardong, Kenneth V. An Introduction to Biological. London: McGraw-Hill, 2005.
Dyfyniad MLAKardong, Kenneth V. An Introduction to Biological. London: McGraw-Hill, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.