APA (7th ed.) Citation

Ahmad, I., & al-Umar, N. b. S. (2004). Frustasi. Pustaka Prosgresif.

Chicago Style (17th ed.) Citation

Ahmad, Ibnu, and Nasir bin Sulaiman al-Umar. Frustasi. Pustaka Prosgresif, 2004.

MLA (8th ed.) Citation

Ahmad, Ibnu, and Nasir bin Sulaiman al-Umar. Frustasi. Pustaka Prosgresif, 2004.

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