Penggayaan APA
RIDLEY, John. (2008).
Health and safety in brief .
New York:
Elsevier.
Chicago Style
RIDLEY, John.
Health and safety in brief.
New York:
Elsevier,
2008.
Buku.
MLA Style
RIDLEY, John.
Health and safety in brief.
New York:
Elsevier,
2008.
Buku.
Turabian Style
RIDLEY, John.
Health and safety in brief.
New York:
Elsevier,
2008.
Buku.