Gregory, R. D., Willis, S. G., Jiguet, F., Voříšek, P., Klvaňová, A., van Strien, A., . . . Green, R. E. (2009). An Indicator of the Impact of Climatic Change on European Bird Populations. Public Library of Science.
Chicago Style citaatGregory, Richard D., et al. An Indicator of the Impact of Climatic Change On European Bird Populations. Public Library of Science, 2009.
MLA citatieGregory, Richard D., et al. An Indicator of the Impact of Climatic Change On European Bird Populations. Public Library of Science, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.