Packard, P. C. (1972). Critical path analysis for development administration. Mouton.
Cita Chicago (17th ed.)Packard, Philip C. Critical Path Analysis for Development Administration. Paris: Mouton, 1972.
Cita MLA (9th ed.)Packard, Philip C. Critical Path Analysis for Development Administration. Mouton, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.