Gaya APA
Sartono, S. (1964).
Stratigraphy and Sedimentation of The Easternmost Part of Gunung Sewu (East Djawa) .
Bandung:
Departemen Perindustrian Dasar/ Pertambangan Djawatan Geologi.
Gaya MLA
Sartono, S..
"Stratigraphy and Sedimentation of The Easternmost Part of Gunung Sewu (East Djawa)".
Bandung:
Departemen Perindustrian Dasar/ Pertambangan Djawatan Geologi,
1964.
Text.