U.S. Library of Congress. African Section. (1970). Sub-Saharan Africa: A guide to serials. Library of Congress.
芝加哥风格引文U.S. Library of Congress. African Section. Sub-Saharan Africa: A Guide to Serials. Washington: Library of Congress, 1970.
MLA引文U.S. Library of Congress. African Section. Sub-Saharan Africa: A Guide to Serials. Library of Congress, 1970.
警告：这些引文格式不一定是100％准确.