Hill, E. Spot Sleeps Over (Color) (Colorized). Frederick Warne And Company.
芝加哥风格引文Hill, Eric. Spot Sleeps Over (Color) (Colorized). Frederick Warne And Company.
MLA引文Hill, Eric. Spot Sleeps Over (Color) (Colorized). Frederick Warne And Company.
警告：这些引文格式不一定是100％准确.