Παραπομπή APA

(1961). Report on the study on establishment of a soda ash and caustic soda production plant in Greece. Frankfurt am Main: [s.n.].

Παραπομπή Chicago Style

Report On the Study On Establishment of a Soda Ash and Caustic Soda Production Plant in Greece. Frankfurt am Main: [s.n.], 1961.

Παραπομπή MLA

Report On the Study On Establishment of a Soda Ash and Caustic Soda Production Plant in Greece. Frankfurt am Main: [s.n.], 1961.

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