<prompt> Translate the following text to EnglishIkiwa mwandishi wa vitabu anaamua kutumia viwango au mbinu zilizotengenezwa na mashirika mengine ya kitaaluma wakati wa kufanya kazi chini ya GAGAS, mwandishi wa vitabu lazima pia atumie viwango katika sura hii kama inavyofaa.  <response>: If the auditor chooses to apply or use standards or methodologies developed by other professional organizations when performing work under GAGAS, the auditor should also apply the standards in this chapter as appropriate. 