Cita APA (7th ed.)
Duffy, S. (1998). Singling out the couples. Sceptre.
Cita Chicago (17th ed.)
Duffy, Stella. Singling Out the Couples. London: Sceptre, 1998.
Cita MLA (9th ed.)
Duffy, Stella. Singling Out the Couples. Sceptre, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.