Partridge, J., & Sweeten, S. (2001). The picnic. Cambridge University Press.
Dyfyniad Arddull ChicagoPartridge, Juliet, and Sammy Sweeten. The Picnic. Cambridge: Cambridge University Press, 2001.
Dyfyniad MLAPartridge, Juliet, and Sammy Sweeten. The Picnic. Cambridge University Press, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.