Gaya APA

Aust, H, P., Kleinlein, T. (2021). Encounters between Foreign Relations Law and International Law . NEW YORK: CAMBRIDGE UNIVERSITY PRESS.

Gaya MLA

Aust, Helmut, Philipp., Kleinlein, Thomas. "Encounters between Foreign Relations Law and International Law". NEW YORK: CAMBRIDGE UNIVERSITY PRESS, 2021. Prodi S1 Ilmu Hukum.