1. Schwaber
K.
& Sutherland
J. (2020). The Scrum Guide. Scrum.org.
On one Product Owner: "The Product Owner is one person
not a committee." (p. 5)
On one Product Backlog: "The Product Backlog is an emergent
ordered list of what is needed to improve the product. It is the single source of work undertaken by the Scrum Team." (p. 9)
On multiple teams
one product: "If Scrum Teams become too large
they should consider reorganizing into multiple cohesive Scrum Teams
each focused on the same product. Therefore
they should share the same Product Goal
Product Backlog
and Product Owner." (p. 6)
2. Maximini
D. (2015). The Scrum Culture: Introducing Agile Methods in Organizations. Springer International Publishing.
In the section on "The Product Owner
" the book emphasizes that for a product
there is "exactly one Product Backlog and therefore also exactly one Product Owner" to ensure a single point of decision-making and a clear product vision
even in scaled environments. (Chapter 4
p. 59) DOI: https://doi.org/10.1007/978-3-319-11827-7