Gaya APA

Rohmah, A, I, N. et al (2020). The 21st century english for SMK 3 (Cet. 4). Yogyakarta: CV. Anugerah Edukasi.

Gaya MLA

Rohmah, Anis, Ichwati, Nur. et al. "The 21st century english for SMK 3". Cet. 4 Yogyakarta: CV. Anugerah Edukasi, 2020. Text.