Paracchini, M. L. Et Al. 2.4.3 Prime Butterfly Areas. 2008. In High Nature Value Farmland in Europe , EC Joint Research Centre, Ispra, Ispra, 15-20.

Paracchini, M. L., Petersen, J. E., Hoogeveen, Y., Bamps, C., Burfield, I., van Swaay, C., ... GÜL, A.(2008). 2.4.3 Prime Butterfly Areas. High Nature Value Farmland in Europe (pp.15-20), Ispra: EC Joint Research Centre, Ispra.

Paracchini, Maria Et Al. "2.4.3 Prime Butterfly Areas." In High Nature Value Farmland in Europe , 15-20. Ispra: EC Joint Research Centre, Ispra, 2008

Paracchini, Maria L. Et Al. "2.4.3 Prime Butterfly Areas." High Nature Value Farmland in Europe , EC Joint Research Centre, Ispra, 2008, pp.15-20.

Paracchini, M. L. Et Al. (2008) "2.4.3 Prime Butterfly Areas", High Nature Value Farmland in Europe . Ispra: EC Joint Research Centre, Ispra.

@bookchapter{bookchapter, author ={Maria Luisa Paracchini Et Al. }, chaptertitle={2.4.3 Prime Butterfly Areas}, booktitle={ High Nature Value Farmland in Europe}, publisher={EC Joint Research Centre, Ispra}, city={Ispra},year={2008} }