APA-čujuhus (7. p.)
ebrary, Inc, Ulrich, P. K., & Willett, J. H. (2010). Trends in ornithology research. Nova Science Publishers.
Chicago-čujuhus (17. p.)
ebrary, Inc, Pedro K. Ulrich, juo Julien H. Willett. Trends in Ornithology Research. New York: Nova Science Publishers, 2010.
MLA-čujuhus (9. p.)
ebrary, Inc, et al. Trends in Ornithology Research. Nova Science Publishers, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.