Barrett, J. (1981). Biochemistry of Parasitic Helminths. University Park Press.
Chicago-čujuhus (17. p.)Barrett, John. Biochemistry of Parasitic Helminths. Maryland: University Park Press, 1981.
MLA-čujuhus (9. p.)Barrett, John. Biochemistry of Parasitic Helminths. University Park Press, 1981.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.