Gaya APA

Pigneur, A, O, Y., Smith, G, B, A. (2014). Value Proposition Design How to Create Products and Services Customers Want by Alexander Osterwalder, Yves Pigneur, Gregory Bernarda, Alan Smith, Trish Papadakos . : .

Gaya MLA

Pigneur, Alex, Osterwalder, Yves., Smith, Greg, Bernarda, Alan. "Value Proposition Design How to Create Products and Services Customers Want by Alexander Osterwalder, Yves Pigneur, Gregory Bernarda, Alan Smith, Trish Papadakos". : , 2014. Text.