APA aipamena

Siracusa, J. M., & Nguyen, H. T. T. (2020). Richard M. Nixon and European Integration. Springer International Publishing.

Chicago Style aipamena

Siracusa, Joseph M., và Hang Thi Thuy Nguyen. Richard M. Nixon and European Integration. Springer International Publishing, 2020.

MLA aipamena

Siracusa, Joseph M., và Hang Thi Thuy Nguyen. Richard M. Nixon and European Integration. Springer International Publishing, 2020.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.