APA aipamena

Norton, G. W. (1993). Introduction to economics of agricultural development. McGraw-Hill.

Chicago Style aipamena

Norton, George W. Introduction to Economics of Agricultural Development. McGraw-Hill, 1993.

MLA aipamena

Norton, George W. Introduction to Economics of Agricultural Development. McGraw-Hill, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.