APA (7th ed.) Citation

Purwaningsih. (2011). Buku Pintar IELTS. B First.

Chicago Style (17th ed.) Citation

Purwaningsih. Buku Pintar IELTS. B First, 2011.

MLA (8th ed.) Citation

Purwaningsih. Buku Pintar IELTS. B First, 2011.

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