Junior Scholastic (Teacher's Edition).
Chicago-čujuhus (17. p.)Junior Scholastic (Teacher's Edition).
MLA-čujuhus (9. p.)Junior Scholastic (Teacher's Edition).
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.
APA-čujuhus (7. p.)