Cushman, D. (2004). Mystery at the Club Sandwich. Clarion Books.
Dyfyniad Arddull ChicagoCushman, Doug. Mystery at the Club Sandwich. New York: Clarion Books, 2004.
Dyfyniad MLACushman, Doug. Mystery at the Club Sandwich. Clarion Books, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.