Cita APA (7th ed.)
Sloan, B., & Mazzarol, P. (2008). Un'estate per due. Playground.
Cita Chicago (17th ed.)
Sloan, Brian, i Pietro Mazzarol. Un'estate Per Due. Roma: Playground, 2008.
Cita MLA (9th ed.)
Sloan, Brian, i Pietro Mazzarol. Un'estate Per Due. Playground, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.