Dang, N. N. N., & Dao, T. T. H. (2025). Developing and Promoting an Ecotourism Package Tour in Ha Giang at Danago Tourism Joint Stock Company. Vietnam-Korea University of Information and Communication Technology.
Chicago-tyylinen lähdeviittausDang, Nguyen Nhu Nguyet, ja Thi Thu Huong Dao. Developing and Promoting an Ecotourism Package Tour in Ha Giang At Danago Tourism Joint Stock Company. Vietnam-Korea University of Information and Communication Technology, 2025.
MLA-viiteDang, Nguyen Nhu Nguyet, ja Thi Thu Huong Dao. Developing and Promoting an Ecotourism Package Tour in Ha Giang At Danago Tourism Joint Stock Company. Vietnam-Korea University of Information and Communication Technology, 2025.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.