Gaya APA

Putra, I, B, W. (2017). Hukum Kontrak Internasional: The Law Of International Contract (Cet. 1). bandung: PT. Refika Aditama.

Gaya MLA

Putra, Ida, Bagus, Wyasa. "Hukum Kontrak Internasional: The Law Of International Contract". Cet. 1 bandung: PT. Refika Aditama, 2017. Text.