Dyfyniad APA

Asian Development Bank. (2010). Procurement guidelines. Asian Development Bank.

Dyfyniad Arddull Chicago

Asian Development Bank. Procurement Guidelines. Mandaluyong City: Asian Development Bank, 2010.

Dyfyniad MLA

Asian Development Bank. Procurement Guidelines. Asian Development Bank, 2010.

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