Friesen, J., & Klumb, R. J. (2023). LEGO®-Ingenieurskunst. dpunkt.verlag.
Chicago Style (17th ed.) CitationFriesen, Jeff, and Ralf J. Klumb. LEGO®-Ingenieurskunst. Heidelberg: dpunkt.verlag, 2023.
MLA (9th ed.) CitationFriesen, Jeff, and Ralf J. Klumb. LEGO®-Ingenieurskunst. dpunkt.verlag, 2023.
Warning: These citations may not always be 100% accurate.