Gaya APA

Lestari, I. (2022).  The Effectiveness Of Group Chat Discussion On Whatsapp Toward The Seventh Graders’ Vocabulary Mastery At SMPN 2 Pakel Tulungagung . Tulungagung: FTIK UIN SATU Tulungagung.

Gaya MLA

Lestari, Indah. " The Effectiveness Of Group Chat Discussion On Whatsapp Toward The Seventh Graders’ Vocabulary Mastery At SMPN 2 Pakel Tulungagung". Tulungagung: FTIK UIN SATU Tulungagung, 2022. Skripsi.