Albanesi, G. L., Carrera, M. G., Cañas, F. L., & Saltzman, M. (2006). A proposed Global Boundary Stratotype Section and Point for the base of the Middle Ordovician Series: The Niquivil section, Precordillera of San Juan, Argentina. Web
Citación estilo ChicagoAlbanesi, Guillermo Luis, Marcelo Gabriel Carrera, Fernando Luis Cañas, and Matthew Saltzman. A Proposed Global Boundary Stratotype Section and Point for the Base of the Middle Ordovician Series: The Niquivil Section, Precordillera of San Juan, Argentina. 2006.
Cita MLAAlbanesi, Guillermo Luis, Marcelo Gabriel Carrera, Fernando Luis Cañas, and Matthew Saltzman. A Proposed Global Boundary Stratotype Section and Point for the Base of the Middle Ordovician Series: The Niquivil Section, Precordillera of San Juan, Argentina. 2006.