THORPE,EDGAR, T. (2013). THE PEARSON CONCISE GENERAL KNOWLEDGE MANUAL 2014. PEARSON.
Chicago Style aipamenaTHORPE,EDGAR, THORPE,S. THE PEARSON CONCISE GENERAL KNOWLEDGE MANUAL 2014. DELHI: PEARSON, 2013.
MLA aipamenaTHORPE,EDGAR, THORPE,S. THE PEARSON CONCISE GENERAL KNOWLEDGE MANUAL 2014. PEARSON, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.