Warwick, F. J., & Tunstall, A. C. (1917). "First aid" to the injured and sick: An advanced ambulance handbook (10th ed., rev. 140th thousand.). W. Wood & Co..

Warwick, Francis James, and Alfred Croudson Tunstall. "First Aid" to the Injured and Sick: An Advanced Ambulance Handbook. 10th ed., rev. 140th thousand. New York: W. Wood & Co., 1917.

Warwick, Francis James, and Alfred Croudson Tunstall. "First Aid" to the Injured and Sick: An Advanced Ambulance Handbook. 10th ed., rev. 140th thousand. W. Wood & Co., 1917.