Dent, D., & Young, A. (1981). Soil survey and land evaluation. George Alber and Unwin.
Chicago Style (17. basım) AtıfDent, David, ve Anthony Young. Soil Survey and Land Evaluation. London: George Alber and Unwin, 1981.
MLA (9th ed.) AtıfDent, David, ve Anthony Young. Soil Survey and Land Evaluation. George Alber and Unwin, 1981.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..