APA ציטוט

SAEFUDDIN, i. a. (2007). Belajar IELTS. Yogyakarta: Think.

Chicago Style Citation

SAEFUDDIN, irham ali. Belajar IELTS. Yogyakarta: Think, 2007.

ציטוט MLA

SAEFUDDIN, irham ali. Belajar IELTS. Yogyakarta: Think, 2007.