Cita APA (7th ed.)

Nik & Nik. (2013). The Gaturro's Brutish english: Method 2. Sudamericana.

Cita Chicago (17th ed.)

Nik i Nik. The Gaturro's Brutish English: Method 2. Buenos Aires: Sudamericana, 2013.

Cita MLA (9th ed.)

Nik i Nik. The Gaturro's Brutish English: Method 2. Sudamericana, 2013.