APA Citation

Soehartono. (1988). Bhan Galian Betonit. Jurusan Teknik Geologi UPN.

Chicago Style Citation

Soehartono. Bhan Galian Betonit. Jurusan Teknik Geologi UPN, 1988.

MLA Citation

Soehartono. Bhan Galian Betonit. Jurusan Teknik Geologi UPN, 1988.

Warning: These citations may not always be 100% accurate.