Patrol, D. o. C. H. (1986). Physical fitness for the highway patrol officer. S.N.
Chicago Style aipamenaPatrol, Department of California Highway. Physical Fitness for the Highway Patrol Officer. S.L: S.N, 1986.
MLA aipamenaPatrol, Department of California Highway. Physical Fitness for the Highway Patrol Officer. S.N, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.