Karpf-Kerkmann. Photo Technik International. Verlag Photo Technik International.
Chicago Style (17th ed.) CitationKarpf-Kerkmann. Photo Technik International. München: Verlag Photo Technik International.
MLA (8th ed.) CitationKarpf-Kerkmann. Photo Technik International. Verlag Photo Technik International.
Warning: These citations may not always be 100% accurate.