Gaya APA

Osterwalder, A. et al (2017). The big pad of 50 blank, extra-large business model canvases and 50 blank, extra large value proposition canvases . Hoboken: Wiley.

Gaya MLA

Osterwalder, Alexander. et al. "The big pad of 50 blank, extra-large business model canvases and 50 blank, extra large value proposition canvases". Hoboken: Wiley, 2017. Text.