Bonin, C. (2021). Singing makes you happy: 10-minute workout for a beautiful voice. Self-Published.
Dyfyniad Arddull ChicagoBonin, Christin. Singing Makes You Happy: 10-minute Workout for a Beautiful Voice. [Place of publication not identified]: Self-Published, 2021.
Dyfyniad MLABonin, Christin. Singing Makes You Happy: 10-minute Workout for a Beautiful Voice. Self-Published, 2021.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.