Cita APA (7th ed.)

Socconini, L., & Gibernau, A. (2020). Lean six sigma green belt. Marge Books.

Cita Chicago (17th ed.)

Socconini, Luis, i Adrià Gibernau. Lean Six Sigma Green Belt. Barcelona, España: Marge Books, 2020.

Cita MLA (9th ed.)

Socconini, Luis, i Adrià Gibernau. Lean Six Sigma Green Belt. Marge Books, 2020.