Gaya APA
Sohadi, R, U, R. (1991).
Accident Analysis Model for Seremban - Port Dickson Trunk Road .
Kuala Lumpur:
Jabatan Kerja Raya.
Gaya MLA
Sohadi, Radin, Umar, Radin.
"Accident Analysis Model for Seremban - Port Dickson Trunk Road".
Kuala Lumpur:
Jabatan Kerja Raya,
1991.
Text.