APA-viite (7. p.)
Richarz, C., Schulz, C., & Zeitler, F. (2007). Energy-efficiency upgrades: Principles, details, examples (First edition.). Birkhäuser ; Edition Detail.
Chicago-viite (17. p.)
Richarz, Clemens, Christina Schulz, ja Friedemann Zeitler. Energy-efficiency Upgrades: Principles, Details, Examples. First edition. Basel : Munich: Birkhäuser ; Edition Detail, 2007.
MLA-viite (9. p.)
Richarz, Clemens, et al. Energy-efficiency Upgrades: Principles, Details, Examples. First edition. Birkhäuser ; Edition Detail, 2007.
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