Gaya APA
TJIA, H. (1977).
Geology of Indonesia; Publications 1958 -1975 and a few earlier publications; Publikasi khusus No. 5 .
:
Dit. Geologi.
Gaya MLA
TJIA, H.D..
"Geology of Indonesia; Publications 1958 -1975 and a few earlier publications; Publikasi khusus No. 5".
:
Dit. Geologi,
1977.
Laporan.