(1994). Factors of soil formation: A fiftieth anniversary retrospective ; proceedings of a symposium, ... held in Denver, Co., 28 October 1991. Soil Science Society of America.
Chicago-Zitierstil (17. Ausg.)Factors of Soil Formation: A Fiftieth Anniversary Retrospective ; Proceedings of a Symposium, ... Held in Denver, Co., 28 October 1991. Madison, Wis: Soil Science Society of America, 1994.
MLA-Zitierstil (9. Ausg.)Factors of Soil Formation: A Fiftieth Anniversary Retrospective ; Proceedings of a Symposium, ... Held in Denver, Co., 28 October 1991. Soil Science Society of America, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.