APA

HARRISON L., .ENVIRONMENTAL, HEALTH, AND SAFETY AUDITING HANDBOOK. NEW YORK ; MEXICO: MCGRAW-HILL.

Chicago

HARRISON LEE, .ENVIRONMENTAL, HEALTH, AND SAFETY AUDITING HANDBOOK. NEW YORK ; MEXICO: MCGRAW-HILL.

Harvard

HARRISON L., .ENVIRONMENTAL, HEALTH, AND SAFETY AUDITING HANDBOOK. NEW YORK ; MEXICO: MCGRAW-HILL.

MLA

HARRISON LEE, .NEW YORK ; MEXICO: MCGRAW-HILL. .