Brayard, A., & Bucher, H. (2008). Smithian (early triassic) ammonoid faunas from northwestern Guangxi (South China): Taxonomy and biochronology. Wiley-Blackwell.
Chicago-Zitierstil (17. Ausg.)Brayard, Arnaud, und Hugo Bucher. Smithian (early Triassic) Ammonoid Faunas from Northwestern Guangxi (South China): Taxonomy and Biochronology. Chichester: Wiley-Blackwell, 2008.
MLA-Zitierstil (9. Ausg.)Brayard, Arnaud, und Hugo Bucher. Smithian (early Triassic) Ammonoid Faunas from Northwestern Guangxi (South China): Taxonomy and Biochronology. Wiley-Blackwell, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.