Schmidt, R. G. (1985). High-alumina hydrothermal systems in volcanic rocks and their significance to mineral prospecting in the Carolina slate belt. US Gov. Print. Off.
Chicago-Zitierstil (17. Ausg.)Schmidt, Robert Georg. High-alumina Hydrothermal Systems in Volcanic Rocks and Their Significance to Mineral Prospecting in the Carolina Slate Belt. Washington: US Gov. Print. Off, 1985.
MLA-Zitierstil (9. Ausg.)Schmidt, Robert Georg. High-alumina Hydrothermal Systems in Volcanic Rocks and Their Significance to Mineral Prospecting in the Carolina Slate Belt. US Gov. Print. Off, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.