Dyfyniad APA

Inter Documentation Company. (1969). Social and economic development plans: National plans for economic and social development [microfiche collection]. Inter Documentation Company.

Dyfyniad Arddull Chicago

Inter Documentation Company. Social and Economic Development Plans: National Plans for Economic and Social Development [microfiche Collection]. Zug, Switzerland: Inter Documentation Company, 1969.

Dyfyniad MLA

Inter Documentation Company. Social and Economic Development Plans: National Plans for Economic and Social Development [microfiche Collection]. Inter Documentation Company, 1969.

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