Wohl, M., & Martin, B. V. (1967). Evaluation of mutually exclusive design projects. Highway Research Board, Division of Engineering, National Research Council, National Academy of Sciences.
Παραπομπή σε μορφή Chicago (17η εκδ.)Wohl, Martin, και Brian V. Martin. Evaluation of Mutually Exclusive Design Projects. Washington, D.C: Highway Research Board, Division of Engineering, National Research Council, National Academy of Sciences, 1967.
Παραπομπή σε μορφή MLA (9th εκδ.)Wohl, Martin, και Brian V. Martin. Evaluation of Mutually Exclusive Design Projects. Highway Research Board, Division of Engineering, National Research Council, National Academy of Sciences, 1967.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.