Russell Punter. (2019). "Chilly Little Penguin (First Reading Level 2) [Paperback] [Jan 01, 2010] NILL". Usborne.
Chicago-čujuhus (17. p.)Russell Punter. "Chilly Little Penguin (First Reading Level 2) [Paperback] [Jan 01, 2010] NILL". Usborne, 2019.
MLA-čujuhus (9. p.)Russell Punter. "Chilly Little Penguin (First Reading Level 2) [Paperback] [Jan 01, 2010] NILL". Usborne, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.