Weyerhaeuser Company. (2000). Northwest Landing - Dupont property: Historic sites summary- research and exploration & protection measures. Weyerhaeuser Company.
Cita Chicago Style (17a ed.)Weyerhaeuser Company. Northwest Landing - Dupont Property: Historic Sites Summary- Research and Exploration & Protection Measures. [Federal Way, Wash.]: Weyerhaeuser Company, 2000.
Cita MLA (8a ed.)Weyerhaeuser Company. Northwest Landing - Dupont Property: Historic Sites Summary- Research and Exploration & Protection Measures. Weyerhaeuser Company, 2000.
Precaución: Estas citas no son 100% exactas.