APA Style

Riyanto, Slamet. (2011). 12 tenses to master in a day /Slamet riyanto . New York: Pustaka Pelajar.

Chicago Style

Riyanto, Slamet. 12 tenses to master in a day /Slamet riyanto. New York: Pustaka Pelajar, 2011. Text.

MLA Style

Riyanto, Slamet. 12 tenses to master in a day /Slamet riyanto. New York: Pustaka Pelajar, 2011. Text.

Turabian Style

Riyanto, Slamet. 12 tenses to master in a day /Slamet riyanto. New York: Pustaka Pelajar, 2011. Print.