APA (7th ed.) Zitazioa

sack, k., & linsel, h. (1965). contents and measuring of labour productivity in socialist industry. the institute of national planning.

Chicago Style (17th ed.) Zitazioa

sack, kurt, eta hermann linsel. Contents and Measuring of Labour Productivity in Socialist Industry. cairo: the institute of national planning, 1965.

MLA (9th ed.) Zitazioa

sack, kurt, eta hermann linsel. Contents and Measuring of Labour Productivity in Socialist Industry. the institute of national planning, 1965.

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