Dyfyniad APA

linsel, h., & sack, k. (1965). theoretical problems of investment planning. National Planning Institute.

Dyfyniad Arddull Chicago

linsel, hermann, and kurt sack. Theoretical Problems of Investment Planning. cairo: National Planning Institute, 1965.

Dyfyniad MLA

linsel, hermann, and kurt sack. Theoretical Problems of Investment Planning. National Planning Institute, 1965.

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