Dyfyniad APA

O`Sullivan, D. A. (2009). Wikipedia: A new community of practice?

Dyfyniad Arddull Chicago

O`Sullivan, Dan; Author. Wikipedia: A New Community of Practice? Hampshire, Ashgate, 2009.

Dyfyniad MLA

O`Sullivan, Dan; Author. Wikipedia: A New Community of Practice? 2009.

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