Dyfyniad APA

https: //go.openathens.net/redirector/bracu.ac.bd?url=https%3A%2F%2Fwww.scitation.org%2Floi%2Fajp.

Dyfyniad Arddull Chicago

Https: //go.openathens.net/redirector/bracu.ac.bd?url=https%3A%2F%2Fwww.scitation.org%2Floi%2Fajp.

Dyfyniad MLA

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