(2016). 瞭望.2016,no.32,42,44-47,52.
Dyfyniad Arddull Chicago瞭望.2016,no.32,42,44-47,52. 2016.
Dyfyniad MLA瞭望.2016,no.32,42,44-47,52. 2016.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
(2016). 瞭望.2016,no.32,42,44-47,52.
Dyfyniad Arddull Chicago瞭望.2016,no.32,42,44-47,52. 2016.
Dyfyniad MLA瞭望.2016,no.32,42,44-47,52. 2016.