Não informado. (1969). Diesel and gas turbine progress worldwide. Diesel & Gas Turbine Publications.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Diesel and Gas Turbine Progress Worldwide. Brookfield, Wis: Diesel & Gas Turbine Publications, 1969.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Diesel and Gas Turbine Progress Worldwide. Diesel & Gas Turbine Publications, 1969.
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