Dyfyniad APA

Coelho, P., & Costa, M. J. (2009). Winner stands alone. Harper Collins Publishers.

Dyfyniad Arddull Chicago

Coelho, Paulo, and Margaret Jull Costa. Winner Stands Alone. London: Harper Collins Publishers, 2009.

Dyfyniad MLA

Coelho, Paulo, and Margaret Jull Costa. Winner Stands Alone. Harper Collins Publishers, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.