APA aipamena

Nitorreda, A. E. (1999). The lessons of history. Philippine Graphic.

Chicago Style aipamena

Nitorreda, Augusto E. "The Lessons of History." Philippine Graphic 1999.

MLA aipamena

Nitorreda, Augusto E. "The Lessons of History." Philippine Graphic, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.