ebrary, Inc, & Fultner, B. (2011). Jürgen Habermas: Key concepts. Acumen.
Chicago Style (17th ed.) Citationebrary, Inc, and Barbara Fultner. Jürgen Habermas: Key Concepts. Durham, England: Acumen, 2011.
MLA引文ebrary, Inc, and Barbara Fultner. Jürgen Habermas: Key Concepts. Acumen, 2011.
警告:這些引文格式不一定是100%准確.