Idrus, R. D. (2009). Betapa Allah Menyayangimu Saudariku. Pro-U Media.
Chicago Style (17th ed.) CitationIdrus, Ratna Dewi. Betapa Allah Menyayangimu Saudariku. Pro-U Media, 2009.
MLA (8th ed.) CitationIdrus, Ratna Dewi. Betapa Allah Menyayangimu Saudariku. Pro-U Media, 2009.
Warning: These citations may not always be 100% accurate.