1.
Core Data: Data Storage and Management for iOS, OS X, and iCloud (Pragmatic Programmers)
by Marcus S. Zarra
ISBN: 9781937785086
List Price: $33.00
2.
Core Data: Apple's API for Persisting Data on Mac OS X
by Zarra, Marcus S.
ISBN: 9781934356326
List Price: $32.95
3.
4.
Core Data in Swift : Data Storage and Management for IOS and OS X
by Zarra, Marcus S.
ISBN: 9781680501704
5.
Core Data: Apple's API for Persisting Data on Mac OS X
by Zarra, Marcus, Marcus S. Zarra
ISBN: 9781539532514
List Price: $19.87