Lulie, Y. (2011). Sifat-sifat fisik abu terbang Merapi. TS-UAJY.
Chicago Style (17th ed.) CitationLulie, Yohannes. Sifat-sifat Fisik Abu Terbang Merapi. TS-UAJY, 2011.
MLA (8th ed.) CitationLulie, Yohannes. Sifat-sifat Fisik Abu Terbang Merapi. TS-UAJY, 2011.
Warning: These citations may not always be 100% accurate.