Gaya APA

Shiftwork safety and performance : a manual for managers and trainers / Peggy Westfall-Lake, Glenn N. McBride. (1998). : Boca Raton : Lewis Publishers.

Gaya MLA

Shiftwork safety and performance : a manual for managers and trainers / Peggy Westfall-Lake, Glenn N. McBride. . : Boca Raton : Lewis Publishers, 1998. Text.