Collin, P. (1995). Dictionary of ecology and the environment (3rd ed.). UBS.
Citazione stile Chigago Style (17a edizione)Collin, P.H. Dictionary of Ecology and the Environment. 3rd ed. New Delhi: UBS, 1995.
Citatione MLA (9a ed.)Collin, P.H. Dictionary of Ecology and the Environment. 3rd ed. UBS, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.