APA (7th ed.) Citation

Ristono, A., & Puryani. (2011). Ekonomi Teknik. Graha Ilmu.

Chicago Style (17th ed.) Citation

Ristono, Agus, and Puryani. Ekonomi Teknik. Graha Ilmu, 2011.

MLA (8th ed.) Citation

Ristono, Agus, and Puryani. Ekonomi Teknik. Graha Ilmu, 2011.

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