Dyfyniad APA

(2003). Cleaner two and three wheelers. Manila: Asian Development Bank.

Dyfyniad Arddull Chicago

Cleaner Two and Three Wheelers. Manila: Asian Development Bank, 2003.

Dyfyniad MLA

Cleaner Two and Three Wheelers. Manila: Asian Development Bank, 2003.

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