Gaya APA
Kohr, R, L.
(1991).
Accident Prevention for Hotels, Motels and Restaurants
.
New York:
Van Nostrand Reinhold.
Gaya MLA
Kohr, Robert, L..
"Accident Prevention for Hotels, Motels and Restaurants".
New York:
Van Nostrand Reinhold,
1991.
BUKU.