APA (7e ed.) Bronvermelding

Mathias, M., & Gallagher, J. (2016). SWIFT PROGRAMMING: THE BIG NERD RANCH GUIDE. Big Nerd Ranch.

Chicago (17e ed.) Bronvermelding

Mathias, Matthew, en John Gallagher. SWIFT PROGRAMMING: THE BIG NERD RANCH GUIDE. Atlanta, GA: Big Nerd Ranch, 2016.

MLA (9e ed.) Bronvermelding

Mathias, Matthew, en John Gallagher. SWIFT PROGRAMMING: THE BIG NERD RANCH GUIDE. Big Nerd Ranch, 2016.