Robinson, G. W. (2005). Soils, their origin, constitution, and classification: An introduction to pedology. Biotech.
Chicago-Zitierstil (17. Ausg.)Robinson, Gilbert Wooding. Soils, Their Origin, Constitution, and Classification: An Introduction to Pedology. Biotech, 2005.
MLA-Zitierstil (9. Ausg.)Robinson, Gilbert Wooding. Soils, Their Origin, Constitution, and Classification: An Introduction to Pedology. Biotech, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.