Dyfyniad APA

O'Donnell, M. (1950). Guidebook for Singing wheels: Fourth year (1950 edition.). Row, Peterson and Company.

Dyfyniad Arddull Chicago

O'Donnell, Mabel. Guidebook for Singing Wheels: Fourth Year. 1950 edition. Evanston, Illinois ; White Plains, New York: Row, Peterson and Company, 1950.

Dyfyniad MLA

O'Donnell, Mabel. Guidebook for Singing Wheels: Fourth Year. 1950 edition. Row, Peterson and Company, 1950.

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