Penggayaan APA
FRIIS, Robert H. (2016).
Occupational health and safety management .
Burlington:
Jones & Bartilett.
Chicago Style
FRIIS, Robert H.
Occupational health and safety management .
Burlington:
Jones & Bartilett,
2016.
Buku.
MLA Style
FRIIS, Robert H.
Occupational health and safety management .
Burlington:
Jones & Bartilett,
2016.
Buku.
Turabian Style
FRIIS, Robert H.
Occupational health and safety management .
Burlington:
Jones & Bartilett,
2016.
Buku.