Pollack, P. (2012). Who Was Steve Jobs? Penguin Books.
Dyfyniad Arddull ChicagoPollack, P. Who Was Steve Jobs? Penguin Books, 2012.
Dyfyniad MLAPollack, P. Who Was Steve Jobs? Penguin Books, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.