Smith, T. M., & Smith, R. L. (2015). Elements of ecology (Ninth edition, Global edition.). PearsonEducational Limited.
Chicago (17e ed.) BronvermeldingSmith, Thomas M., en Robert Leo Smith. Elements of Ecology. Ninth edition, Global edition. Harlow Essex, England: PearsonEducational Limited, 2015.
MLA (9e ed.) BronvermeldingSmith, Thomas M., en Robert Leo Smith. Elements of Ecology. Ninth edition, Global edition. PearsonEducational Limited, 2015.
Let op: Deze citaties zijn niet altijd 100% accuraat.