Gaya APA
Sartono, . (1958).
The Stratigraphy and Sedimentation of the Most Eastern Part of the Gunung Sewu (East Java) .
Bandung:
.
Gaya MLA
Sartono, .
"The Stratigraphy and Sedimentation of the Most Eastern Part of the Gunung Sewu (East Java)".
Bandung:
,
1958.
Text.