APA-ийн эшлэл(7 дахь хэвлэлт)
Youlalia Thomas Tingui. (2011). Exploration of marketing forces and strategies employed by Sudan small scale business people: A case study of Barh El Ghazal market. Daystar University.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Youlalia Thomas Tingui. Exploration of Marketing Forces and Strategies Employed by Sudan Small Scale Business People: A Case Study of Barh El Ghazal Market. Nairobi: Daystar University, 2011.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Youlalia Thomas Tingui. Exploration of Marketing Forces and Strategies Employed by Sudan Small Scale Business People: A Case Study of Barh El Ghazal Market. Daystar University, 2011.
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