Cita APA (7th ed.)
MARCELLINI, F., & ET AL. (1998). PREPARATION FOR RETIREMENT: PROBLEMS AND SUGGESTIONS OF RETIREES.
Cita Chicago (17th ed.)
MARCELLINI, F., i ET AL. PREPARATION FOR RETIREMENT: PROBLEMS AND SUGGESTIONS OF RETIREES. 1998.
Cita MLA (9th ed.)
MARCELLINI, F., i ET AL. PREPARATION FOR RETIREMENT: PROBLEMS AND SUGGESTIONS OF RETIREES. 1998.
Atenció: Aquestes cites poden no estar 100% correctes.