Duncan, D. C., & Devries, J. H. (2018). Agricultural destruction of Northern Pintail nests on cropland in prairie Canada. Resilience Alliance.
Čikaški stil citiranja (17. izdanje)Duncan, David C., i James H. Devries. Agricultural Destruction of Northern Pintail Nests on Cropland in Prairie Canada. Resilience Alliance, 2018.
MLA način citiranja (9. izdanje)Duncan, David C., i James H. Devries. Agricultural Destruction of Northern Pintail Nests on Cropland in Prairie Canada. Resilience Alliance, 2018.
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