Dyfyniad APA

(1972). SouthEast Asian Regional Transport Survey. Asian Development Bank.

Dyfyniad Arddull Chicago

SouthEast Asian Regional Transport Survey. Singapore: Asian Development Bank, 1972.

Dyfyniad MLA

SouthEast Asian Regional Transport Survey. Asian Development Bank, 1972.

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