Gaya APA

Astuti, A, Y., , . (2012). International Journal Of Science And Mathematics Education Volume 10 Number 4 - 6 2012 . New York: Periodicals Service Company.

Gaya MLA

Astuti, Arini, Yuli., , . "International Journal Of Science And Mathematics Education Volume 10 Number 4 - 6 2012". New York: Periodicals Service Company, 2012. Text.