Shartle, C. L. (1959). Occupational information: Its development and application/3e (3rd ed.). Prentice Hall.
Čikaški stil citiranjaShartle, Carroll L. Occupational Information: Its Development and Application/3e. 3rd ed. New Jersey: Prentice Hall, 1959.
MLA način citiranjaShartle, Carroll L. Occupational Information: Its Development and Application/3e. 3rd ed. Prentice Hall, 1959.
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