Guide to the Pflaum Publishing Company publications, 1889-1971, CSC.034. Roesch Library.
Chicago Style (17th ed.) CitationGuide to the Pflaum Publishing Company Publications, 1889-1971, CSC.034. Roesch Library.
MLA引文Guide to the Pflaum Publishing Company Publications, 1889-1971, CSC.034. Roesch Library.
警告：這些引文格式不一定是100％准確.