Harper, R. (2017). Writing User Stories (1st edition.). O'Reilly Media, Inc.
Cita Chicago Style (17a ed.)Harper, Ryan. Writing User Stories. 1st edition. O'Reilly Media, Inc, 2017.
Cita MLA (9a ed.)Harper, Ryan. Writing User Stories. 1st edition. O'Reilly Media, Inc, 2017.
Precaución: Estas citas no son 100% exactas.
