APA aipamena

Oleas, J. TLC: Firmar o no firmar, that is the question.

Chicago Style aipamena

Oleas, Julio. TLC: Firmar O No Firmar, That Is the Question.

MLA aipamena

Oleas, Julio. TLC: Firmar O No Firmar, That Is the Question.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.