Asakareh, H., & Bayat, A. (2013). The Analysis of the Trend and the Cycles of Annual Precipitation Characteristics of Zanjan. University of Tabriz.
Chicago-viite (17. p.)Asakareh, Hossein, ja Ali Bayat. The Analysis of the Trend and the Cycles of Annual Precipitation Characteristics of Zanjan. University of Tabriz, 2013.
MLA-viite (9. p.)Asakareh, Hossein, ja Ali Bayat. The Analysis of the Trend and the Cycles of Annual Precipitation Characteristics of Zanjan. University of Tabriz, 2013.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.