Shaffer, L. a. (1965). Critical path method. mc Graw hill.
Citación estilo ChicagoShaffer, L.R...[et al.]. Critical Path Method. New york: mc Graw hill, 1965.
Cita MLAShaffer, L.R...[et al.]. Critical Path Method. mc Graw hill, 1965.
Warning: These citations may not always be 100% accurate.