Dodgson, M., & Gann, D. Innovation: A Very Short Introduction.
Chicago-čujuhus (17. p.)Dodgson, Mark, juo David Gann. Innovation: A Very Short Introduction.
MLA-čujuhus (9. p.)Dodgson, Mark, juo David Gann. Innovation: A Very Short Introduction.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.