Friedel, K. H. (1981). Der 1,3-l-Motor. Opel.
Chicago Style (17th ed.) CitationFriedel, K. H. Der 1,3-l-Motor. Rüsselsheim: Opel, 1981.
MLA (8th ed.) CitationFriedel, K. H. Der 1,3-l-Motor. Opel, 1981.
Warning: These citations may not always be 100% accurate.