Shartle, C. L. (1952). Occupational information, its development and application. Prentice-Hall.
芝加哥风格引文Shartle, Carroll Leonard. Occupational Information, Its Development and Application. Englewood Cliffs, NJ: Prentice-Hall, 1952.
MLA引文Shartle, Carroll Leonard. Occupational Information, Its Development and Application. Prentice-Hall, 1952.
警告：这些引文格式不一定是100％准确.