Those are arguments, not subroutines, and they are part of Text::CSV, not Perl itself. What version of Perl are you using (perl -v from a prompt), and what version of Text::CSV do you have installed? Find that out with perl -MText::CSV -e 'print Text::CSV->VERSION' again from a prompt. The latest is 2.00, released in May of this year.

You can upgrade your version of Text::CSV using CPAN (and install Text::CSV_XS while you're at it!), and you will be able to use these attributes. Using CPAN