Gaya APA

Agustinus, . (2010). An Analysis on The Ability In Using Present To Be Is, Am, And Are by The Fourth Grade of Mulia Dharma Elementary School Year 2008/2009 . Pontianak: ABA Widya Dharma.

Gaya MLA

Agustinus, . "An Analysis on The Ability In Using Present To Be Is, Am, And Are by The Fourth Grade of Mulia Dharma Elementary School Year 2008/2009". Pontianak: ABA Widya Dharma, 2010. Final Paper.