Leifeste, A., & Stiefel, B. (2018). Sustainable heritage: Merging environmental conservation and historic preservation. Routledge.
Citazione stile Chigago Style (17a edizione)Leifeste, Amalia, e Barry Stiefel. Sustainable Heritage: Merging Environmental Conservation and Historic Preservation. New York: Routledge, 2018.
Citatione MLA (9a ed.)Leifeste, Amalia, e Barry Stiefel. Sustainable Heritage: Merging Environmental Conservation and Historic Preservation. Routledge, 2018.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.