Dyfyniad APA

Blum, A. (2012). Tubes: Behind the scenes at the Internet (NA.). Penguin Books.

Dyfyniad Arddull Chicago

Blum, Andrew. Tubes: Behind the Scenes at the Internet. NA. New York: Penguin Books, 2012.

Dyfyniad MLA

Blum, Andrew. Tubes: Behind the Scenes at the Internet. NA. Penguin Books, 2012.

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