APA (7th ed.) Citation

Riyanto, A. (1991). Bahan galian Industri zeolit. Dep. Pertambangan dan Energi PPTM.

Chicago Style (17th ed.) Citation

Riyanto, Asril. Bahan Galian Industri Zeolit. Dep. Pertambangan dan Energi PPTM, 1991.

MLA (8th ed.) Citation

Riyanto, Asril. Bahan Galian Industri Zeolit. Dep. Pertambangan dan Energi PPTM, 1991.

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