Gaya APA
Cottrell, M. (2012).
Guide to the leed ap : Interior design and contruction (ID + C ) Exam .
Amerika:
WileyPublishing.
Gaya MLA
Cottrell, Michelle.
"Guide to the leed ap : Interior design and contruction (ID + C ) Exam".
Amerika:
WileyPublishing,
2012.
Buku.