Helmy, M. (1969). Problematika Dakwah Islam dan Pedoman Muballight. Tohaputra.
Chicago Style (17th ed.) CitationHelmy, Masdar. Problematika Dakwah Islam Dan Pedoman Muballight. Tohaputra, 1969.
MLA (8th ed.) CitationHelmy, Masdar. Problematika Dakwah Islam Dan Pedoman Muballight. Tohaputra, 1969.
Warning: These citations may not always be 100% accurate.