Adler, A. (1999). What life could mena to you. Research Press.
Cita Chicago (17th ed.)Adler, Alfred. What Life Could Mena to You. Delhi: Research Press, 1999.
Cita MLA (9th ed.)Adler, Alfred. What Life Could Mena to You. Research Press, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.