<SAMUELSON, P. A. &. W. N. Economics: An introductory analysis ( 3 ). BP - UGM.
Chicago Style (17th ed.) Citation<SAMUELSON, Paul A. & W.d. Noedhaus>. Economics: An Introductory Analysis ( 3 ). BP - UGM.
MLA (8th ed.) Citation<SAMUELSON, Paul A. & W.d. Noedhaus>. Economics: An Introductory Analysis ( 3 ). BP - UGM.
Warning: These citations may not always be 100% accurate.