Völz, H. G. (2001). Industrial color testing: Fundamentals and techniques (2., completely rev. ed.). Wiley-VCH.
Chicago Style (17th ed.) CitationVölz, Hans G. Industrial Color Testing: Fundamentals and Techniques. 2., completely rev. ed. Weinheim [u.a.]: Wiley-VCH, 2001.
MLA (9th ed.) CitationVölz, Hans G. Industrial Color Testing: Fundamentals and Techniques. 2., completely rev. ed. Wiley-VCH, 2001.
Warning: These citations may not always be 100% accurate.