Gardiner, C. H. (1970). Samuel Putnam, Latin Americanist: A bibliography. Southern Illinois University.
芝加哥风格引文Gardiner, Clinton Harvey. Samuel Putnam, Latin Americanist: A Bibliography. Carbondale: Southern Illinois University, 1970.
MLA引文Gardiner, Clinton Harvey. Samuel Putnam, Latin Americanist: A Bibliography. Southern Illinois University, 1970.
警告：这些引文格式不一定是100％准确.