Simpson, I. (1987). The encyclopedia of drawing techniques. Chartwell Books.
Chicago Style (17th ed.) CitationSimpson, Ian. The Encyclopedia of Drawing Techniques. Secaucus, N.J: Chartwell Books, 1987.
MLA引文Simpson, Ian. The Encyclopedia of Drawing Techniques. Chartwell Books, 1987.
警告:這些引文格式不一定是100%准確.