Alvarez Cindy. (2014). Lean Customer Development: Building products your customers will buy. Oreilly / Shroff Publishers & Distrebutors Pvt Ltd.
Chicago-viite (17. p.)Alvarez Cindy. Lean Customer Development: Building Products Your Customers Will Buy. USA: Oreilly / Shroff Publishers & Distrebutors Pvt Ltd, 2014.
MLA-viite (9. p.)Alvarez Cindy. Lean Customer Development: Building Products Your Customers Will Buy. Oreilly / Shroff Publishers & Distrebutors Pvt Ltd, 2014.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.