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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAlbrecht, 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAlbrecht, 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.
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