Cita APA

Helmers, F. L. C. H. (1979). Project planning and income distribution. M. Nijhoff.

Citación estilo Chicago

Helmers, F. Leslie C. H. Project Planning and Income Distribution. Boston: M. Nijhoff, 1979.

Cita MLA

Helmers, F. Leslie C. H. Project Planning and Income Distribution. M. Nijhoff, 1979.