Gaya APA
DPU, .
(1979).
PEDOMAN PLAMBING INDONESIA 1979
(
Edisi 1 Jilid 1)
.
Indonesia:
Indonesia.
Gaya MLA
DPU, .
"PEDOMAN PLAMBING INDONESIA 1979".
Edisi 1 Jilid 1
Indonesia:
Indonesia,
1979.
Text.