Barvian, Maxwell. “Spotify for Mac.” Dribbble, published May 10, 2012 (Retrieved from the Internet Feb. 2, 2022). Internet URL: <https://dribbble.com/shots/555220-Spotify-for-Mac> (Year: 2012). |
Muzli. “Email Application Design Inspiration.” Muzli—Design Inspiration, published May 17, 2016 (Retrieved from the Internet Feb. 2, 2022). Internet URL:< https://medium.muz.li/email-application-design-inspiration-33dc39a0c866#.p6jh1umif> (Year: 2016). |
Frutiger, Adrian. “Signs and Symbols,” p. 248, Watson-Guptill Publications, printed/published 1998. |
Cunningham, Andrew. “Siri, Apple Watch unlocking, and more comes with macOS Sierra on Sep. 20,” Ars Technica, dated Sep. 7, 2016. Accessed at https://arstechnica.com/gadgets/2016/09/siri-apple-watch-unlocking-and-more-comes-with-macos-sierra-on-sept-20th/ on Nov. 13, 2018. |
Pabesio, Alvaro. “macOS 11—Concept.” Behance, published Feb. 26, 2018 (Retrieved from the Internet Jul. 31, 2019). Internet URL: <https://www.behance.net/gallery/62549811/macOS-11-Concept-by-Alvaro-Pabesio> (Year: 2018). |