Gaya APA

Let's Surf in Engkish for 7th Grade/Shelma Shakira Bhakti. (2009). Jakarta: RajaGrafindo Persada.

Gaya MLA

Let's Surf in Engkish for 7th Grade/Shelma Shakira Bhakti. Ed. Pertama. Jakarta: RajaGrafindo Persada, 2009. Text.