Gaya APA

Putra, I, B, W., Anna, . (2017). Hukum Kontrak Internasional (The Law of International Contract) / Ida Bagus Wyasa Putra (Cet. 1). Bandung: Refika Aditama.

Gaya MLA

Putra, Ida, Bagus, Wyasa., Anna, . "Hukum Kontrak Internasional (The Law of International Contract) / Ida Bagus Wyasa Putra". Cet. 1 Bandung: Refika Aditama, 2017. Text.