Reuterstrand, S., Romare, M., & Wik, J. (2012). Ellis goes to the doctor. Sky Pony Press.
Dyfyniad Arddull ChicagoReuterstrand, Siri, Monika Romare, and Jenny Wik. Ellis Goes to the Doctor. New York: Sky Pony Press, 2012.
Dyfyniad MLAReuterstrand, Siri, et al. Ellis Goes to the Doctor. Sky Pony Press, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.