APA (7th ed.) Citation

Saifuddin, I. A. (2006). Buku Pintar Toefl. Diva Press.

Chicago Style (17th ed.) Citation

Saifuddin, Irham Ali. Buku Pintar Toefl. Diva Press, 2006.

MLA (8th ed.) Citation

Saifuddin, Irham Ali. Buku Pintar Toefl. Diva Press, 2006.

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