Gill, M. (2007). How Starbucks Saved My Life. Harper Collins.
Dyfyniad Arddull ChicagoGill, Michael. How Starbucks Saved My Life. London: Harper Collins, 2007.
Dyfyniad MLAGill, Michael. How Starbucks Saved My Life. Harper Collins, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.