Darnell, R. M. (1971). Organism and environment: A manual of quantitative ecology. W. H. Freeman.
Dyfyniad Arddull ChicagoDarnell, Rezneat M. Organism and Environment: A Manual of Quantitative Ecology. San Francisco: W. H. Freeman, 1971.
Dyfyniad MLADarnell, Rezneat M. Organism and Environment: A Manual of Quantitative Ecology. W. H. Freeman, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.