Knoblauch, J., & Wöltje, H. (2003). Zeitmanagement. Haufe.
Chicago Style (17th ed.) CitationKnoblauch, Jörg, and Holger Wöltje. Zeitmanagement. Planegg: Haufe, 2003.
MLA (8th ed.) CitationKnoblauch, Jörg, and Holger Wöltje. Zeitmanagement. Haufe, 2003.
Warning: These citations may not always be 100% accurate.