Cita APA (7a ed.)
Humphrey, W. S. TSP: Leading a Development Team. Addison-Wesley.
Cita estilo Chicago (17a ed.)
Humphrey, Watts S. TSP: Leading a Development Team. Upper Saddle River, EUA: Addison-Wesley.
Cita MLA (9a ed.)
Humphrey, Watts S. TSP: Leading a Development Team. Addison-Wesley.
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