Steinitz, C., & Haglund, K. (1978). The interaction between urbanization and land: Quality and quantity in environmental planning and design : the historical resources model, technical documentation. Landscape Architecture Research Office, Graduate School of Design, Harvard University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Steinitz, Carl, و Karl Haglund. The Interaction Between Urbanization and Land: Quality and Quantity in Environmental Planning and Design : The Historical Resources Model, Technical Documentation. Cambridge, Mass.: Landscape Architecture Research Office, Graduate School of Design, Harvard University, 1978.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Steinitz, Carl, و Karl Haglund. The Interaction Between Urbanization and Land: Quality and Quantity in Environmental Planning and Design : The Historical Resources Model, Technical Documentation. Landscape Architecture Research Office, Graduate School of Design, Harvard University, 1978.