APA
P.E.P(i.e. Political and Economic Planning), P.E.P(i.e. Political and Economic Planning), . (1939). Report on the gas industry in Great Britain. : .
Chicago
P.E.P(i.e. Political and Economic Planning), P.E.P(i.e. Political and Economic Planning), . 1939. Report on the gas industry in Great Britain. : .
Harvard
P.E.P(i.e. Political and Economic Planning), P.E.P(i.e. Political and Economic Planning), . (1939). Report on the gas industry in Great Britain. : .
MLA
P.E.P(i.e. Political and Economic Planning), P.E.P(i.e. Political and Economic Planning), . Report on the gas industry in Great Britain. : . 1939.
