APA Style

Warning: Undefined variable $authors_string in /var/www/univlia/slims/template/default/citation/apa_style_template.php on line 21
Practical English Usage (2nd ed.). (1995). Oxford: Oxford.

MLA Style

Warning: Undefined variable $authors_string in /var/www/univlia/slims/template/default/citation/mla_style_template.php on line 21
Practical English Usage (2nd ed.). . Oxford: Oxford, 1995. Text.