Gaya APA

Warning: Undefined variable $authors_string in /home/smanda/pustaka/template/akasia/citation/apa_style_template.php on line 21 Teaching, learning and assessing science 5-12. (2007). London: Sage.

Gaya MLA

Warning: Undefined variable $authors_string in /home/smanda/pustaka/template/akasia/citation/mla_style_template.php on line 21 Teaching, learning and assessing science 5-12. cetakan 2. London: Sage, 2007. Text.