Gaya APA

Purba, E, S. (2019). A study on the use of phrasal verbs by english students of UNRIKA : skripsi . Batam: Universitas Riau Kepulauan Batam.

Gaya MLA

Purba, Elvica, Sari. "A study on the use of phrasal verbs by english students of UNRIKA : skripsi". Batam: Universitas Riau Kepulauan Batam, 2019. Text.