Hahn, C., & Hellenbrand, U. (2008). Questions & answer: Science & technology : physics, chemistry, biology, medical technology, earth science, transport and space travel and information technology. Parragon.
Chicago Style (17th ed.) CitationHahn, Christoph, and Ulrich Hellenbrand. Questions & Answer: Science & Technology : Physics, Chemistry, Biology, Medical Technology, Earth Science, Transport and Space Travel and Information Technology. UK: Parragon, 2008.
MLA (9th ed.) CitationHahn, Christoph, and Ulrich Hellenbrand. Questions & Answer: Science & Technology : Physics, Chemistry, Biology, Medical Technology, Earth Science, Transport and Space Travel and Information Technology. Parragon, 2008.
Warning: These citations may not always be 100% accurate.