APA (7th ed.) Citation

Purwaningsih. (2016). Buku pintar IELTS (Institute of English Language Training). B First.

Chicago Style (17th ed.) Citation

Purwaningsih. Buku Pintar IELTS (Institute of English Language Training). B First, 2016.

MLA (8th ed.) Citation

Purwaningsih. Buku Pintar IELTS (Institute of English Language Training). B First, 2016.

Warning: These citations may not always be 100% accurate.