Gaya APA

Sanjaya, A, A., Bram, B. (2021). Investigating preposition usage problems of English language education study program students (Vol. 2, No. 1, February 2021). Yogyakarta: English Language Education Department of Universitas Kristen Duta Wacana (UKDW).

Gaya MLA

Sanjaya, Albertus, Agung., Bram, Barli. "Investigating preposition usage problems of English language education study program students". Vol. 2, No. 1, February 2021 Yogyakarta: English Language Education Department of Universitas Kristen Duta Wacana (UKDW), 2021. Text.