Walker, S. (2012). Presidents and civil liberties from Wilson to Obama: A story of poor custodians. Cambridge University Press.
استشهاد بنمط شيكاغوWalker, Samuel. Presidents and Civil Liberties from Wilson to Obama: A Story of Poor Custodians. Cambridge: Cambridge University Press, 2012.
MLA استشهادWalker, Samuel. Presidents and Civil Liberties from Wilson to Obama: A Story of Poor Custodians. Cambridge University Press, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.