Berita resmi Muhammadiyah [bentuk mikro]. (1991.). Washington D.C. :: Library of Congress Photo Duplication Service ; a Jakarta : The LC Office,.
. Berita resmi Muhammadiyah [bentuk mikro]. Washington D.C. :: Library of Congress Photo Duplication Service ; a Jakarta : The LC Office,, 1991.
. Berita resmi Muhammadiyah [bentuk mikro]. Washington D.C. :: Library of Congress Photo Duplication Service ; a Jakarta : The LC Office,, 1991..