Childs, W. R. (2013). Trade and shipping in the medieval West: Portugal, Castile and England : a series of lectures in memoriam for Professor Armindo de Soussa, given in the University of Porto, November 2009. Fédération Internationale des Institus d'Études Médiévales.
Cita Chicago Style (17a ed.)Childs, Wendy R. Trade and Shipping in the Medieval West: Portugal, Castile and England : A Series of Lectures in Memoriam for Professor Armindo De Soussa, Given in the University of Porto, November 2009. Porto: Fédération Internationale des Institus d'Études Médiévales, 2013.
Cita MLA (9a ed.)Childs, Wendy R. Trade and Shipping in the Medieval West: Portugal, Castile and England : A Series of Lectures in Memoriam for Professor Armindo De Soussa, Given in the University of Porto, November 2009. Fédération Internationale des Institus d'Études Médiévales, 2013.
