Gaya APA
WALKER, W, L. (2008).
WATER-RESISTANT DESIGN AND CONSTRUCTION .
New York:
MCGRAW-HILL BOOK COMPANY, INC..
Gaya MLA
WALKER, WILLIAM, L..
"WATER-RESISTANT DESIGN AND CONSTRUCTION".
New York:
MCGRAW-HILL BOOK COMPANY, INC.,
2008.
FAKULTAS TEKNIK.