@classmethod
def get_standard_quotes_for_language(cls, language_code):
    """Returns the quotation marks as they should be displated for the language (the result of the normalisation)
        If no quotation marks have been defined for the language, the standard quotation marks are returned"""
    if cls.has_standard_quotes_for_language(language_code):
        return cls.STANDARD_QUOTES_PER_LANGUAGE[language_code]
    else:
        raise ValueError(
            'No quotes are defined for language with language_code ' +
            language_code)
