Batschelet, E. (1981). Circular statistics in biology. Academic Press.
Chicago-čujuhus (17. p.)Batschelet, Edward. Circular Statistics in Biology. Londres: Academic Press, 1981.
MLA-čujuhus (9. p.)Batschelet, Edward. Circular Statistics in Biology. Academic Press, 1981.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.