Jatzeld, R., & Baum, E. (1968). The Kilembro Valley (Tarzania): Characteristic features of the economic geography of a semihumid East African flood plain and its margins : With review of development plans and possibilities in the Kilombero Valley. Weltforum Verlag.
Chicago Style (17. basım) AtıfJatzeld, Ralph, ve E. Baum. The Kilembro Valley (Tarzania): Characteristic Features of the Economic Geography of a Semihumid East African Flood Plain and Its Margins : With Review of Development Plans and Possibilities in the Kilombero Valley. Munchen: Weltforum Verlag, 1968.
MLA (8th ed.) AtıfJatzeld, Ralph, ve E. Baum. The Kilembro Valley (Tarzania): Characteristic Features of the Economic Geography of a Semihumid East African Flood Plain and Its Margins : With Review of Development Plans and Possibilities in the Kilombero Valley. Weltforum Verlag, 1968.