Cita APA (7th ed.)

Fink , C. (2004). Writing Opinion For Impact (2nd.). Blackwell Publishing.

Cita Chicago (17th ed.)

Fink , Conrad. Writing Opinion For Impact. 2nd. Oxford: Blackwell Publishing, 2004.

Cita MLA (9th ed.)

Fink , Conrad. Writing Opinion For Impact. 2nd. Blackwell Publishing, 2004.