Sheldon, S. (2007). Bóng tối kinh hoàng ( Tiểu thuyết Mỹ ) =: Are you afraid of the dark? Hà Nội: Văn Học.
শিকাগো স্টাইলে সাইটেশনSheldon, Sidney. Bóng Tối Kinh Hoàng ( Tiểu Thuyết Mỹ ) =: Are You Afraid of the Dark? Hà Nội: Văn Học, 2007.
এমএলএ সাইটেশনSheldon, Sidney. Bóng Tối Kinh Hoàng ( Tiểu Thuyết Mỹ ) =: Are You Afraid of the Dark? Hà Nội: Văn Học, 2007.
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