Dyfyniad APA

(1991). Big book of Christmas songs: Piano, vocal, guitar. H. Leonard.

Dyfyniad Arddull Chicago

Big Book of Christmas Songs: Piano, Vocal, Guitar. Milwaukee, Wis: H. Leonard, 1991.

Dyfyniad MLA

Big Book of Christmas Songs: Piano, Vocal, Guitar. H. Leonard, 1991.

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