Aspen Systems Corporation. (2015). Techniques in Orthopaedics. Aspen Systems Corporation.
Citação do estilo Chicago (17ª ed.)Aspen Systems Corporation. Techniques in Orthopaedics. Rockville, Md: Aspen Systems Corporation, 2015.
Citação MLA (8ª ed.)Aspen Systems Corporation. Techniques in Orthopaedics. Aspen Systems Corporation, 2015.
警告：这些引文格式不一定是100％准确.