Dyfyniad APA

Engert, M. (1969). Problems of Long-term Planning in the German Democratic Republic. The Institute of National Planning.

Dyfyniad Arddull Chicago

Engert, Manfred. Problems of Long-term Planning in the German Democratic Republic. Cairo: The Institute of National Planning, 1969.

Dyfyniad MLA

Engert, Manfred. Problems of Long-term Planning in the German Democratic Republic. The Institute of National Planning, 1969.

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