Dyfyniad APA

(2020). No 2. 2020. https://doi.org/10.18799/24056537/2020/2

Dyfyniad Arddull Chicago

No 2. 2020, 2020. https://doi.org/10.18799/24056537/2020/2.

Dyfyniad MLA

No 2. 2020, 2020. https://doi.org/10.18799/24056537/2020/2.

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