Albrecht, A. J. (2011). Preservation and safeguarding of cultural heritage: Factors for a sustainable economic development?: including the study Patrimonio Cultural on Cuenca, Ecuador (Primera edición.). AV Akademikerverlag.

Albrecht, Alexander Jan. Preservation and Safeguarding of Cultural Heritage: Factors for a Sustainable Economic Development?: Including the Study Patrimonio Cultural on Cuenca, Ecuador. Primera edición. Berlin: AV Akademikerverlag, 2011.

Albrecht, Alexander Jan. Preservation and Safeguarding of Cultural Heritage: Factors for a Sustainable Economic Development?: Including the Study Patrimonio Cultural on Cuenca, Ecuador. Primera edición. AV Akademikerverlag, 2011.