Gaya APA

ph.d., H, P, I, P, H, M. (2018). The Effects of Whatsapp and Line Application and Student's Attitude toward Student's Writing Skill at Madrasah Aliyah in Bogor . Jakarta: sekolah pascasarjana uhamka.

Gaya MLA

ph.d., Hamzah, Puadi, Ilyas,, Ph.d.;, Herri, Mulyono,. "The Effects of Whatsapp and Line Application and Student's Attitude toward Student's Writing Skill at Madrasah Aliyah in Bogor". Jakarta: sekolah pascasarjana uhamka, 2018. Text.