APA Style

Prastiwi, I. (2007). The Analysis of Grammatical Structures in English On Sky TextBook in Relation to Krashen's Natural Order Hypothesis . Jakarta: STBA LIA.

MLA Style

Prastiwi, Indri. "The Analysis of Grammatical Structures in English On Sky TextBook in Relation to Krashen's Natural Order Hypothesis". Jakarta: STBA LIA, 2007. Skripsi.