Gaya APA
Maharani, I., Sunardi, . (2008).
Let's Study Prepositions ( Mari Belajar Preposisi ) .
Yogyakarta:
Citra Aji Parama.
Gaya MLA
Maharani, Ida., Sunardi, .
"Let's Study Prepositions ( Mari Belajar Preposisi )".
Yogyakarta:
Citra Aji Parama,
2008.
Text.