APA aipamena

Barston, R. (1997). Modern diplomacy. Pearson Education.

Chicago Style aipamena

Barston, R.P. Modern Diplomacy. Pearson Education, 1997.

MLA aipamena

Barston, R.P. Modern Diplomacy. Pearson Education, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.