Grube, C. (2009). Measuring the immeasurable: Valuing patent protection of knowledge-based competitive advantages (1. ed.). Gabler.
Chicago-Zitierstil (17. Ausg.)Grube, Christian. Measuring the Immeasurable: Valuing Patent Protection of Knowledge-based Competitive Advantages. 1. ed. Wiesbaden: Gabler, 2009.
MLA-Zitierstil (9. Ausg.)Grube, Christian. Measuring the Immeasurable: Valuing Patent Protection of Knowledge-based Competitive Advantages. 1. ed. Gabler, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.