Phạm Cao Hoàn. (1997). Bách khoa khoa học: = Encyclopedia of science. Hà Nội: Phụ nữ.
শিকাগো স্টাইলে সাইটেশনPhạm Cao Hoàn. Bách Khoa Khoa Học: = Encyclopedia of Science. Hà Nội: Phụ nữ, 1997.
এমএলএ সাইটেশনPhạm Cao Hoàn. Bách Khoa Khoa Học: = Encyclopedia of Science. Hà Nội: Phụ nữ, 1997.
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