BIECH ELAINE. (2003). ANNUAL 2003: TRAINING. JOSSEY-BASS PUBLICATIONS.
Cita Chicago (17th ed.)BIECH ELAINE. ANNUAL 2003: TRAINING. SAN FRANCISCO: JOSSEY-BASS PUBLICATIONS, 2003.
Cita MLA (9th ed.)BIECH ELAINE. ANNUAL 2003: TRAINING. JOSSEY-BASS PUBLICATIONS, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.