Vollmer, H. (1992). Organisasi NC. Pustaka Sinar Harapan.
Chicago Style (17th ed.) CitationVollmer, Harald. Organisasi NC. Pustaka Sinar Harapan, 1992.
MLA (8th ed.) CitationVollmer, Harald. Organisasi NC. Pustaka Sinar Harapan, 1992.
Warning: These citations may not always be 100% accurate.