APA (7th ed.) Citation

SAMUELSON, P. A., & NORDHAUS, W. D. (1989). Ekonomi 1 (Ed.12.). Erlangga.

Chicago Style (17th ed.) Citation

SAMUELSON, Paul A., and William D. NORDHAUS. Ekonomi 1. Ed.12. Jakarta: Erlangga, 1989.

MLA (9th ed.) Citation

SAMUELSON, Paul A., and William D. NORDHAUS. Ekonomi 1. Ed.12. Erlangga, 1989.