(1971). Azotea tunnel instrumentation program, San Juan-Chama Project New Mexico. U. S. Department of the Interior.
Cita Chicago Style (17a ed.)Azotea Tunnel Instrumentation Program, San Juan-Chama Project New Mexico. Denver: U. S. Department of the Interior, 1971.
Cita MLA (9a ed.)Azotea Tunnel Instrumentation Program, San Juan-Chama Project New Mexico. U. S. Department of the Interior, 1971.
Precaución: Estas citas no son 100% exactas.