Freeman, James and Hatfield, Ron (Jul 15, 2018). "10: The Pocket Isn't the Pocket... and It's Nowhere Near Where You Think It Is". Bowling Beyond the Basics: What's Really Happening on the Lanes, and What You Can Do about It. Publisher: BowlSmart. Figs. 10.5 and 10.10.
Suggested cite:
<ref name=FreemanHatfield_Chap10>{{cite book |last1=Freeman |first1=James |last2=Hatfield |first2=Ron |title=Bowling Beyond the Basics: What's Really Happening on the Lanes, and What You Can Do about It |date=July 15, 2018 |publisher=BowlSmart |chapter=10: The Pocket Isn't the Pocket... and It's Nowhere Near Where You Think It Is}} (Figs. 10.5 and 10.10)</ref>
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.