Gaya APA
Putra, I, B, W. (2017).
Hukum kontrak internasional = the law of international contract .
Bandung:
Refika Aditama.
Gaya MLA
Putra, Ida, Bagus, Wyasa.
"Hukum kontrak internasional = the law of international contract".
Bandung:
Refika Aditama,
2017.
Text.