APA

,, . (1986). The encroaching desert : The consequences of human failure. London: Zed Books Ltd.

Chicago

,, . 1986. The encroaching desert : The consequences of human failure. London: Zed Books Ltd.

Harvard

,, . (1986). The encroaching desert : The consequences of human failure. London: Zed Books Ltd.

MLA

,, . The encroaching desert : The consequences of human failure. London: Zed Books Ltd. 1986.