Ciriacy-Wantrup, S. V. (1963). Resource conservation: Economics and policies (Rev. ed.). University of California, Division of Agricultural Sciences, Agricultural Experiment Station.
Lua i Stíl Chicago (17ú heag.)Ciriacy-Wantrup, S. V. Resource Conservation: Economics and Policies. Rev. ed. [Berkeley]: University of California, Division of Agricultural Sciences, Agricultural Experiment Station, 1963.
Lua MLA (8ú heag.)Ciriacy-Wantrup, S. V. Resource Conservation: Economics and Policies. Rev. ed. University of California, Division of Agricultural Sciences, Agricultural Experiment Station, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.