Luxury Marketing & Management: Tools and strategies to manage luxury products in a profitable and sustainable fashion.: Langer, D.A. & Heil, O.P., Mainz 2013: Amazon Kindle Edition.
Kreative Strategien identifizieren: Heil, O.; Grund, M. & Langer, D.: Markenartikel, Nr. 9/2012, S. 53-55.
The Hidden Value Proposition of Luxury-Brand Related Status Signals - Evidence from a Comprehensive Field Study Among German Car Dealers: Müller, M & Heil, O.: Working Paper, Mainz 2012.