Aji, H., & Guerlain, P. (2013). Introduction.
Cita Chicago (17th ed.)Aji, Hélène, i Pierre Guerlain. Introduction. 2013.
Cita MLA (8th ed.)Aji, Hélène, i Pierre Guerlain. Introduction. 2013.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)