Gaya APA

Spiertz, J., Wiber, M, G. (1996). The role of law in the natural resources management . New Brunswick U.P. Canada: Wilfrid Laurier.

Gaya MLA

Spiertz, Joep., Wiber, Melanie, G.. "The role of law in the natural resources management". New Brunswick U.P. Canada: Wilfrid Laurier, 1996. Book.