APA Style
Williams, C., Heins, R, M. (1989).
Risk Management and Insurance 6 Ed. (6).
United States of America:
Akademika Pressindo.
MLA Style
Williams, C.Arthur., Heins, Richard, M.
"Risk Management and Insurance 6 Ed.".
6
United States of America:
Akademika Pressindo,
1989.
Manajemen.