Dyfyniad APA

Heesterman, A. R. G. (1972). Forecasting models for national economic planning (2nd ed.). Reidel.

Dyfyniad Arddull Chicago

Heesterman, A. R. G. Forecasting Models for National Economic Planning. 2nd ed. Dordrecht: Reidel, 1972.

Dyfyniad MLA

Heesterman, A. R. G. Forecasting Models for National Economic Planning. 2nd ed. Reidel, 1972.

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