Gaya APA

Nurbaetillah, M. (2021). The effectiveness of duolingo application media on students' vocabulary mastery at seventh grade of smp negeri 1 pamijahan . Bogor: Universitas Muhammadiyah Bogor Raya.

Gaya MLA

Nurbaetillah, Mila. "The effectiveness of duolingo application media on students' vocabulary mastery at seventh grade of smp negeri 1 pamijahan". Bogor: Universitas Muhammadiyah Bogor Raya, 2021. Text.