traditional market. The data sources of this research were the the sellers and the buyersin
beef, chicken, fruit, grocery, and vegetable shopsof Pasar Waru, a traditional market, in
Sidoarjo, Indonesia. The data were in the form of transactional conversations between the
sellers and the buyers. Qualitative method was applied in this research by using the formula
of generic structure potential theory proposed by Halliday & Hasan (1985) to describe the …