APA (7th ed.) Citation

<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.