APA
Westland C., . (2002). Valuing technology. John Wiley & Sons (Asia) Pte Ltd, Singapore: .
Chicago
Westland Chris, . 2002. Valuing technology. John Wiley & Sons (Asia) Pte Ltd, Singapore: .
Harvard
Westland C., . (2002). Valuing technology. John Wiley & Sons (Asia) Pte Ltd, Singapore: .
MLA
Westland Chris, . Valuing technology. John Wiley & Sons (Asia) Pte Ltd, Singapore: . 2002.