Gaya APA
maharani, I., Sunardi, . (2016).
Let's study prepositions :Mari belajar preposisi (Cet.7).
Yogyakarta ::
Citra Aji Parama,.
Gaya MLA
maharani, Ida., Sunardi, .
"Let's study prepositions :Mari belajar preposisi".
Cet.7
Yogyakarta ::
Citra Aji Parama,,
2016.
Abdul Gaffar.