- Swift: https://www.swift.org/
- Swift Language Guide: https://docs.swift.org/swift-book/documentation/the-swift-programming-language/
- Swift Language Guide(한글 번역): https://bbiguduk.gitbook.io/swift/
- Swift API Design Guidelines: https://www.swift.org/documentation/api-design-guidelines/
- Paul Hudson의 한 시간 Swift: https://youtu.be/n5X_V81OYnQ?si=VanTEMPFhWpo71Qq
- AppStuff의 Programming Fundamentals with Swift: https://youtube.com/playlist?list=PLRcTS2CSnBfMbk7n5SYBQQhL6iyRf2i81&si=uN-3OfSdwAzgQW47