Lewis, S. (2014). PHPP illustrated: A designer's companion to the passive house planning package. RIBA Publishing.
Chicago-Zitierstil (17. Ausg.)Lewis, Sarah. PHPP Illustrated: A Designer's Companion to the Passive House Planning Package. Newcastle upon Tyne: RIBA Publishing, 2014.
MLA-Zitierstil (9. Ausg.)Lewis, Sarah. PHPP Illustrated: A Designer's Companion to the Passive House Planning Package. RIBA Publishing, 2014.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.