APA引文

R.Schiller Bradley. (2002). Student Problem Sets f/w The Economy Today, The Macro Economy Today, and The Micro Economy Today. American: McGraw -Hill.

Trích dẫn kiểu Chicago

R.Schiller Bradley. Student Problem Sets F/w The Economy Today, The Macro Economy Today, and The Micro Economy Today. American: McGraw -Hill, 2002.

MLA引文

R.Schiller Bradley. Student Problem Sets F/w The Economy Today, The Macro Economy Today, and The Micro Economy Today. American: McGraw -Hill, 2002.

警告：這些引文格式不一定是100％准確.