APA (7th ed.) Citation

Prof. DR. M. Solly Lubis, S. (2002). Sistem Nasional. CV. Mandar Maju.

Chicago Style (17th ed.) Citation

Prof. DR. M. Solly Lubis, S. Sistem Nasional. CV. Mandar Maju, 2002.

MLA (8th ed.) Citation

Prof. DR. M. Solly Lubis, S. Sistem Nasional. CV. Mandar Maju, 2002.

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