Figueroa, J. E. (1966). Optimum size and shape of plots.
Cita Chicago (17th ed.)Figueroa, Josefina E. Optimum Size and Shape of Plots. 1966.
Cita MLA (9th ed.)Figueroa, Josefina E. Optimum Size and Shape of Plots. 1966.
Atenció: Aquestes cites poden no estar 100% correctes.