Gaya APA

Schiller, B, R. (2003). Student Problem Set For Use With: The economy Today, The Macro Economy Today, The Micro Economy Today Ninth Edition (9). Boston: McGraw - Hill.

Gaya MLA

Schiller, Bradley, R.. "Student Problem Set For Use With: The economy Today, The Macro Economy Today, The Micro Economy Today Ninth Edition". 9 Boston: McGraw - Hill, 2003. Text.