APA
Roman Zoltan, International Conference on Industrial Economic (Budapest) (1970) & International Conference on Industrial Economic (Budapest) (1970). (1972). Progrss and planning in industry. Budapest: Akademiai Kiado.
Chicago
Roman Zoltan, International Conference on Industrial Economic (Budapest) (1970) and International Conference on Industrial Economic (Budapest) (1970). 1972. Progrss and planning in industry. Budapest: Akademiai Kiado.
Harvard
Roman Zoltan, International Conference on Industrial Economic (Budapest) (1970) and International Conference on Industrial Economic (Budapest) (1970). (1972). Progrss and planning in industry. Budapest: Akademiai Kiado.
MLA
Roman Zoltan, International Conference on Industrial Economic (Budapest) (1970) and International Conference on Industrial Economic (Budapest) (1970). Progrss and planning in industry. Budapest: Akademiai Kiado. 1972.
