Chbosky, S. (1999). The perks of being a wallflower. Gallery Books.
Dyfyniad Arddull ChicagoChbosky, Stephen. The Perks of Being a Wallflower. New York: Gallery Books, 1999.
Dyfyniad MLAChbosky, Stephen. The Perks of Being a Wallflower. Gallery Books, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.