APA استشهاد

Jeffrey A Kottler. (2010). Learning group leadership (2nd.). Sage.

استشهاد بنمط شيكاغو

Jeffrey A Kottler. Learning Group Leadership. 2nd. London: Sage, 2010.

MLA استشهاد

Jeffrey A Kottler. Learning Group Leadership. 2nd. Sage, 2010.