Vivien Stone. (2008). Letterland Storybooks - Annie Apple (Classic Letterland Storybooks). Templar.
芝加哥风格引文Vivien Stone. Letterland Storybooks - Annie Apple (Classic Letterland Storybooks). Templar, 2008.
MLA引文Vivien Stone. Letterland Storybooks - Annie Apple (Classic Letterland Storybooks). Templar, 2008.
警告：这些引文格式不一定是100％准确.