Gaya APA
Widiastuti, A. et al (2024).
Smart Book : Global Reach 12 English for SMA/MA/SMK/MAK .
Yogyakarta:
Intan Pariwara Edukasi.
Gaya MLA
Widiastuti, Astrid. et al.
"Smart Book : Global Reach 12 English for SMA/MA/SMK/MAK".
Yogyakarta:
Intan Pariwara Edukasi,
2024.
Buku.