Cálculo : conceptos y contextos, 2006 port. (James Stewart ; traducción Joaquín Ramos Santalla) https://ulatina.metabiblioteca.org/cgi-bin/koha/opac-detail.pl?biblionumber=2148&query_desc=su%3A%22AUDITOR%C3%8DA%22%20and%20location%3AGEN%20and%20su-to%3ACONTROL%20DE%20INVENTARIOS, 08-05-2024

https://es.wikipedia.org/w/index.php?search=joaquin+ramos+santalla&title=Especial%3ABuscar&ns0=1&ns100=1&ns104=1 WWW.wikipedia, 08-05-2024

Traductora https://ulatina.metabiblioteca.org/cgi-bin/koha/opac-detail.pl?biblionumber=2148&query_desc=su%3A%22AUDITOR%C3%8DA%22%20and%20location%3AGEN%20and%20su-to%3ACONTROL%20DE%20INVENTARIOS, 08-05-2024