Padilla, G. B. (1977). A correlation between the liquid limit and the fall-cone penetration [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-Zitierstil (17. Ausg.)Padilla, George B. A Correlation Between the Liquid Limit and the Fall-cone Penetration [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA-Zitierstil (9. Ausg.)Padilla, George B. A Correlation Between the Liquid Limit and the Fall-cone Penetration [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.