Shartle, C. L. (1952). Occupational information: Its development and application (Second edition.). Prentice-Hall.
Chicago Style (17. basım) AtıfShartle, Carroll Leonard. Occupational Information: Its Development and Application. Second edition. Englewood Cliffs, New Jersey: Prentice-Hall, 1952.
MLA (9th ed.) AtıfShartle, Carroll Leonard. Occupational Information: Its Development and Application. Second edition. Prentice-Hall, 1952.
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