Shartle, C. L. (1959). Occupational information: Its development and application/3e (3rd ed.). Prentice Hall.
Chicago Edition CitationShartle, Carroll L. Occupational Information: Its Development and Application/3e. 3rd ed. New Jersey: Prentice Hall, 1959.
Cita MLAShartle, Carroll L. Occupational Information: Its Development and Application/3e. 3rd ed. Prentice Hall, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.