APA
hammack j., .waterfowl and westlands:toward bioeconomic analysis mallard brown,gardner(jt.auth.). 1st ed. | Baltimore Jons Hopkins University: .
Chicago
hammack judd, .waterfowl and westlands:toward bioeconomic analysis mallard brown,gardner(jt.auth.). 1st ed. | Baltimore Jons Hopkins University: .
Harvard
hammack j., .waterfowl and westlands:toward bioeconomic analysis mallard brown,gardner(jt.auth.). 1st ed. | Baltimore Jons Hopkins University: .
MLA
hammack judd, .1st ed. | Baltimore Jons Hopkins University: . .