Gaya APA
Klein, L. (2013.).
UX for lean startups : faster, smarter user experience research and design .
Sebastopol, CA:
O\'Reilly.
Gaya MLA
Klein, Laura.
"UX for lean startups : faster, smarter user experience research and design".
Sebastopol, CA:
O\'Reilly,
2013..
Buku.