APA (7th ed.) Zitazioa

NIE NICHOLSON, R. (1969). Economic statistics and economic problems. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

NIE NICHOLSON, R.J. Economic Statistics and Economic Problems. London: McGraw-Hill, 1969.

MLA (9th ed.) Zitazioa

NIE NICHOLSON, R.J. Economic Statistics and Economic Problems. McGraw-Hill, 1969.