Steenbergh, W. F., & Lowe, C. H. (1983). Ecology of the Saguaro: III growth and demography. Washington, D. C.: National Park Service.
Citación estilo ChicagoSteenbergh, Warren F., y Charles H. Lowe. Ecology of the Saguaro: III Growth and Demography. Washington, D. C.: National Park Service, 1983.
Cita MLASteenbergh, Warren F., y Charles H. Lowe. Ecology of the Saguaro: III Growth and Demography. Washington, D. C.: National Park Service, 1983.
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