Philippines (Republic) Department of Agriculture and Natural Resources, Division of Soil Survey and Conservation, & Alicante, M. M. Soil survey of Laguna province. s.n.
Chicago-Zitierstil (17. Ausg.)Philippines (Republic) Department of Agriculture and Natural Resources, Division of Soil Survey and Conservation, und M. M. Alicante. Soil Survey of Laguna Province. [S.l: s.n.
MLA-Zitierstil (9. Ausg.)Philippines (Republic) Department of Agriculture and Natural Resources, et al. Soil Survey of Laguna Province. s.n.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.