Dyfyniad APA

(1972). Bulgaria and Japan economic- technological cooperation. Tokyo: Nissho- Iwai.

Dyfyniad Arddull Chicago

Bulgaria and Japan Economic- Technological Cooperation. Tokyo: Nissho- Iwai, 1972.

Dyfyniad MLA

Bulgaria and Japan Economic- Technological Cooperation. Tokyo: Nissho- Iwai, 1972.

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