Grant, P. (1978). Biology of developing systems. New York: Holt, Rinehart and Winston.
Dyfyniad Arddull ChicagoGrant, Philip. Biology of Developing Systems. New York: Holt, Rinehart and Winston, 1978.
Dyfyniad MLAGrant, Philip. Biology of Developing Systems. New York: Holt, Rinehart and Winston, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.