Dyfyniad APA

Scotts, J. (2014). Stop smoking naturally. Speedy Publishing.

Dyfyniad Arddull Chicago

Scotts, Jason. Stop Smoking Naturally. USA: Speedy Publishing, 2014.

Dyfyniad MLA

Scotts, Jason. Stop Smoking Naturally. Speedy Publishing, 2014.

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