APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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

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