Gaya APA
Peterson, J, E.
(1977).
INDUSTRIAL hALTH
(
1.ed)
.
New Jersey:
Prentice - Hal;, Inc.
Gaya MLA
Peterson, Jack, E..
"INDUSTRIAL hALTH".
1.ed
New Jersey:
Prentice - Hal;, Inc,
1977.
Buku Teks.