Παραπομπή APA

Piechota, T. C., Timilsena, J., Tootle, G., & Hidalgo León, H. G. (2014). The Western U.S. Drought: How Bad Is It?

Παραπομπή Chicago Style

Piechota, Thomas C., Janak Timilsena, Glenn Tootle, και Hugo G. Hidalgo León. The Western U.S. Drought: How Bad Is It? 2014.

Παραπομπή MLA

Piechota, Thomas C., Janak Timilsena, Glenn Tootle, και Hugo G. Hidalgo León. The Western U.S. Drought: How Bad Is It? 2014.

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