APA-čujuhus (7. p.)
Barr, S., & Luedecke, C. (2010). The History of the International Polar Years (IPYs). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-12402-0
Chicago-čujuhus (17. p.)
Barr, Susan, juo Cornelia Luedecke. The History of the International Polar Years (IPYs). Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. https://doi.org/10.1007/978-3-642-12402-0.
MLA-čujuhus (9. p.)
Barr, Susan, juo Cornelia Luedecke. The History of the International Polar Years (IPYs). Springer Berlin Heidelberg, 2010. https://doi.org/10.1007/978-3-642-12402-0.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.