Hetherington, L. (1987). All about goats (2a. ed.). Farming Press.
Chicago-čujuhus (17. p.)Hetherington, Lois. All About Goats. 2a. ed. Ipswich: Farming Press, 1987.
MLA-čujuhus (9. p.)Hetherington, Lois. All About Goats. 2a. ed. Farming Press, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.