Παραπομπή APA

Blanchard, K. M. B. (2003). The one minute apology.

Παραπομπή Chicago Style

Blanchard, Ken; Mc Bride. The One Minute Apology. HarperCollins Publishers: India, 2003.

Παραπομπή MLA

Blanchard, Ken; Mc Bride. The One Minute Apology. 2003.