United States Information Agency. American sketchbook. Short biosketches of 21 distinguished americans.
Chicago Style (17th ed.) CitationUnited States Information Agency. American Sketchbook. Short Biosketches of 21 Distinguished Americans.
MLA引文United States Information Agency. American Sketchbook. Short Biosketches of 21 Distinguished Americans.
警告：這些引文格式不一定是100％准確.