APA (7th ed.) Citation

Roziqin, B. (2013). 30 Hari Mahir Bahasa Inggris: Quantum English Learning. Think.

Chicago Style (17th ed.) Citation

Roziqin, Badiatul. 30 Hari Mahir Bahasa Inggris: Quantum English Learning. Think, 2013.

MLA (9th ed.) Citation

Roziqin, Badiatul. 30 Hari Mahir Bahasa Inggris: Quantum English Learning. Think, 2013.

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