(2002). Hỏi đáp về thâm canh, xen canh tăng thu hoạch. Thanh Hoá: Thanh Hoá.
শিকাগো স্টাইলে সাইটেশনHỏi đáp Về Thâm Canh, Xen Canh Tăng Thu Hoạch. Thanh Hoá: Thanh Hoá, 2002.
এমএলএ সাইটেশনHỏi đáp Về Thâm Canh, Xen Canh Tăng Thu Hoạch. Thanh Hoá: Thanh Hoá, 2002.
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