Dyfyniad APA

Walker, S. (2012). Presidents and civil liberties from Wilson to Obama: A story of poor custodians. Cambridge University Press.

Dyfyniad Arddull Chicago

Walker, Samuel. Presidents and Civil Liberties from Wilson to Obama: A Story of Poor Custodians. Cambridge: Cambridge University Press, 2012.

Dyfyniad MLA

Walker, Samuel. Presidents and Civil Liberties from Wilson to Obama: A Story of Poor Custodians. Cambridge University Press, 2012.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.