Ryan, G. A., Clark, P., & Lazarus, S. S. (1973). A review of emergency medical services in relation to road safety. Australian Government Publishing Service.
Citace podle Chicago (17th ed.)Ryan, G. A., P.D Clark, a Steven S. Lazarus. A Review of Emergency Medical Services in Relation to Road Safety. Canberra: Australian Government Publishing Service, 1973.
Citace podle MLA (8th ed.)Ryan, G. A., et al. A Review of Emergency Medical Services in Relation to Road Safety. Australian Government Publishing Service, 1973.
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