(1993). Soil color: Proceedings of a symposium sponsored by Divisions S-5 and S-9 of the Soil Science Society of America in San Antonio, Texas, 21 - 26 oct. 1990. Soil Science Soc. of America.
Chicago-Zitierstil (17. Ausg.)Soil Color: Proceedings of a Symposium Sponsored by Divisions S-5 and S-9 of the Soil Science Society of America in San Antonio, Texas, 21 - 26 Oct. 1990. Madison, Wis: Soil Science Soc. of America, 1993.
MLA-Zitierstil (9. Ausg.)Soil Color: Proceedings of a Symposium Sponsored by Divisions S-5 and S-9 of the Soil Science Society of America in San Antonio, Texas, 21 - 26 Oct. 1990. Soil Science Soc. of America, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.