Process engineering [Electronic]. [ca. 1972]. Berkhamsted: Synthesis Media Ltd.
ISO-690 (author-date, English)Process engineering, 1972. . Berkhamsted: Synthesis Media Ltd.
Modern Language Association 9th editionProcess engineering. electronic, Synthesis Media Ltd, 1972.
Mohr Siebeck - Recht (Deutsch - Österreich): Process engineering, Berkhamsted 1972.
Emerald - HarvardProcess engineering. (1972), Bd. , Synthesis Media Ltd, Berkhamsted.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.