Gras, D., León, A. R., & Fisher, W. G. (2004). The road to successful CRT implantation: A step-by-step approach. Blackwell Futura.
Chicago-čujuhus (17. p.)Gras, Daniel, Angel R. León, juo Westby G. Fisher. The Road to Successful CRT Implantation: A Step-by-step Approach. Malden, Mass.: Blackwell Futura, 2004.
MLA-čujuhus (9. p.)Gras, Daniel, et al. The Road to Successful CRT Implantation: A Step-by-step Approach. Blackwell Futura, 2004.
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