APA-čujuhus (7. p.)

WENTZ, C. A. (1998). Safety, health, and environmental protection. McGraw-Hill.

Chicago-čujuhus (17. p.)

WENTZ, Charles A. Safety, Health, and Environmental Protection. Boston: McGraw-Hill, 1998.

MLA-čujuhus (9. p.)

WENTZ, Charles A. Safety, Health, and Environmental Protection. McGraw-Hill, 1998.

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