Gaya APA
Hannigan, T., Davidsen, K. (2019).
Essential Indonesian: Speak Indonesian With Confidence (Revisi).
Tokyo:
Tuttle Publishing.
Gaya MLA
Hannigan, Tim., Davidsen, Katherine.
"Essential Indonesian: Speak Indonesian With Confidence".
Revisi
Tokyo:
Tuttle Publishing,
2019.
Buku.