APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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