APA aipamena

KELLER J J. (2001). SAFETY MANAGER'S HANDBOOK. J.J KELLER & ASOCIATES , INC.

Chicago Style aipamena

KELLER J J. SAFETY MANAGER'S HANDBOOK. WISCONSIN: J.J KELLER & ASOCIATES , INC, 2001.

MLA aipamena

KELLER J J. SAFETY MANAGER'S HANDBOOK. J.J KELLER & ASOCIATES , INC, 2001.