Cita APA (7th ed.)

Goldstein, N., & Kowalski, K. G. (2013). Objective-C programming for dummies. Wiley.

Cita Chicago (17th ed.)

Goldstein, Neal, i Karl G. Kowalski. Objective-C Programming for Dummies. Hoboken, N.J: Wiley, 2013.

Cita MLA (9th ed.)

Goldstein, Neal, i Karl G. Kowalski. Objective-C Programming for Dummies. Wiley, 2013.