Cullen, C. W., Kaciak, E., Bramble, L., Wright, B., Seaman, A. E., & Williams, J. J. (2006). Winter Wine Tourists in Canada's Niagara Region. Institutional Knowledge at Singapore Management University.

Cullen, Carmen W., Eugene Kaciak, Linda Bramble, Barry Wright, Alfred E. Seaman, و John Joseph Williams. Winter Wine Tourists in Canada's Niagara Region. Institutional Knowledge at Singapore Management University, 2006.

Cullen, Carmen W., et al. Winter Wine Tourists in Canada's Niagara Region. Institutional Knowledge at Singapore Management University, 2006.