APA-referens

Shaffer, L. a. (1965). Critical path method. mc Graw hill.

Chicago-stil citat

Shaffer, L.R...[et al.]. Critical Path Method. New york: mc Graw hill, 1965.

MLA-referens

Shaffer, L.R...[et al.]. Critical Path Method. mc Graw hill, 1965.