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.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.