APA (7th ed.) Citation

Ritonga, M. T. (2007). Ekonomi. PT Phibeta Aneka Gama.

Chicago Style (17th ed.) Citation

Ritonga, M. T. Ekonomi. PT Phibeta Aneka Gama, 2007.

MLA (8th ed.) Citation

Ritonga, M. T. Ekonomi. PT Phibeta Aneka Gama, 2007.

Warning: These citations may not always be 100% accurate.