Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.