课堂内外（高中版素材精粹）.
Chicago Style (17th ed.) Citation课堂内外（高中版素材精粹）.
MLA (8th ed.) Citation课堂内外（高中版素材精粹）.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
APA (7th ed.) Citation
课堂内外（高中版素材精粹）.
Chicago Style (17th ed.) Citation课堂内外（高中版素材精粹）.
MLA (8th ed.) Citation课堂内外（高中版素材精粹）.