Gaya APA
Punmia, D, B.
(2018).
Theory of Structures
(
cet 1)
.
Yogyakarta:
Andi Offset.
Gaya MLA
Punmia, Dr., B.C..
"Theory of Structures".
cet 1
Yogyakarta:
Andi Offset,
2018.
Buku TM.