Schwarz, H. (1980). Draw in pencil: Charcoal, crayon r other media. A r C Black.
Chicago Style (17th ed.) CitationSchwarz, Hans. Draw in Pencil: Charcoal, Crayon R Other Media. A r C Black, 1980.
MLA引文Schwarz, Hans. Draw in Pencil: Charcoal, Crayon R Other Media. A r C Black, 1980.
警告：这些引文格式不一定是100％准确.