APA Style
GROUP, P, S.
(ttth).
Teori Analisa & Design Tangga Melayang
.
Bandung:
Parahyangan Study Group.
MLA Style
GROUP, PARAHYANGAN, STUDY.
"Teori Analisa & Design Tangga Melayang".
Bandung:
Parahyangan Study Group,
ttth.
Text.