Figueroa, J. E. (1966). Optimum size and shape of plots.
Lua i Stíl Chicago (17ú heag.)Figueroa, Josefina E. Optimum Size and Shape of Plots. 1966.
Lua MLA (9ú heag.)Figueroa, Josefina E. Optimum Size and Shape of Plots. 1966.
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