Gaya APA

Perdhani, W, C. (2021). Sociolinguistics: a sosial linguistics reality (Cet. 1). Malang: UB Press.

Gaya MLA

Perdhani, Widya, Caterine. "Sociolinguistics: a sosial linguistics reality". Cet. 1 Malang: UB Press, 2021. Buku Teks.