Dyfyniad APA

Johnson, S. (2010). Where good ideas come from: The natural history of innovation. Riverhead Books.

Dyfyniad Arddull Chicago

Johnson, Steven. Where Good Ideas Come from: The Natural History of Innovation. New York: Riverhead Books, 2010.

Dyfyniad MLA

Johnson, Steven. Where Good Ideas Come from: The Natural History of Innovation. Riverhead Books, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.