APA (7th ed.) Citation

Porwit, K. (1967). Central planning: Evaluation of variants (1. engl. ed.). Pergamon Press [u.a.].

Chicago Style (17th ed.) Citation

Porwit, Krzysztof. Central Planning: Evaluation of Variants. 1. engl. ed. Oxford [u.a.]: Pergamon Press [u.a.], 1967.

MLA (9th ed.) Citation

Porwit, Krzysztof. Central Planning: Evaluation of Variants. 1. engl. ed. Pergamon Press [u.a.], 1967.