MacDonald, G. M., Kremenetski, K. V., & Hidalgo León, H. G. (2008). Southern California and the perfect drought: Simultaneous prolonged drought in southern California and the Sacramento and Colorado River systems.
استشهاد بنمط شيكاغوMacDonald, Glen M., Konstantine V. Kremenetski, و Hugo G. Hidalgo León. Southern California and the Perfect Drought: Simultaneous Prolonged Drought in Southern California and the Sacramento and Colorado River Systems. 2008.
MLA استشهادMacDonald, Glen M., Konstantine V. Kremenetski, و Hugo G. Hidalgo León. Southern California and the Perfect Drought: Simultaneous Prolonged Drought in Southern California and the Sacramento and Colorado River Systems. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.