Chen, M. A. (1991). Coping with seasonality and drought. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Chen, Martha Alter. Coping with Seasonality and Drought. New Delhi ; Newbury Park: Sage Publications, 1991.
Lua MLA (8ú heag.)Chen, Martha Alter. Coping with Seasonality and Drought. Sage Publications, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.