Não informado. (2018). Weon'ye Jag'mul Yeon'gu Nonmunjib. Nongcon Jinheung Ceong.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Weon'ye Jag'mul Yeon'gu Nonmunjib. Suwon, Coreia do Sul: Nongcon Jinheung Ceong, 2018.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Weon'ye Jag'mul Yeon'gu Nonmunjib. Nongcon Jinheung Ceong, 2018.
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