Cita APA (7th ed.)
Phillips, D. Python 3 object-oriented programming. Packt.
Cita Chicago (17th ed.)
Phillips, Dusty. Python 3 Object-oriented Programming. Packt.
Cita MLA (9th ed.)
Phillips, Dusty. Python 3 Object-oriented Programming. Packt.
Atenció: Aquestes cites poden no estar 100% correctes.