APA-čujuhus (7. p.)

Judy Hawes. (2000). Why Frogs Are Wet (Let's-Read-and-Find-Out Science 2). HarperCollins.

Chicago-čujuhus (17. p.)

Judy Hawes. Why Frogs Are Wet (Let's-Read-and-Find-Out Science 2). HarperCollins, 2000.

MLA-čujuhus (9. p.)

Judy Hawes. Why Frogs Are Wet (Let's-Read-and-Find-Out Science 2). HarperCollins, 2000.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.