Ohio Wine Producers Association. (1998). Willow Hill Vineyards, 1998. https://oaks.kent.edu/node/5884
Ohio Wine Producers Association. 1998. “Willow Hill Vineyards, 1998”. https://oaks.kent.edu/node/5884.
Ohio Wine Producers Association. Willow Hill Vineyards, 1998. 1 Oct. 1998, https://oaks.kent.edu/node/5884.