Merkoša sitáhtat

APA-čujuhus (7. p.)
Pennington, S. (2000). Introduction to genetics. Blackwell Science.
Chicago-čujuhus (17. p.)
Pennington, Sandra. Introduction to Genetics. Malden, Mass: Blackwell Science, 2000.
MLA-čujuhus (9. p.)
Pennington, Sandra. Introduction to Genetics. Blackwell Science, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.