APA Style
Wendratama, Engelbertus, Purwaningsih, Yenni. (2017).
Buku pintar IELTS : International English Language Testing System (Cet. 1).
Jakarta:
B First.
Chicago Style
Wendratama, Engelbertus, Purwaningsih, Yenni.
Buku pintar IELTS : International English Language Testing System.
Cet. 1
Jakarta:
B First,
2017.
Buku.
MLA Style
Wendratama, Engelbertus, Purwaningsih, Yenni.
Buku pintar IELTS : International English Language Testing System.
Cet. 1
Jakarta:
B First,
2017.
Buku.
Turabian Style
Wendratama, Engelbertus, Purwaningsih, Yenni.
Buku pintar IELTS : International English Language Testing System.
Cet. 1
Jakarta:
B First,
2017.
Buku.