APA
Scottish Intercollegiate Guidelines Network, . (1999). Diagnosis and treatment of heart failure due to left ventricular systolic dysfunction. Edinburgh: SIGN Secretariat.
Chicago
Scottish Intercollegiate Guidelines Network, . 1999. Diagnosis and treatment of heart failure due to left ventricular systolic dysfunction. Edinburgh: SIGN Secretariat.
Harvard
Scottish Intercollegiate Guidelines Network, . (1999). Diagnosis and treatment of heart failure due to left ventricular systolic dysfunction. Edinburgh: SIGN Secretariat.
MLA
Scottish Intercollegiate Guidelines Network, . Diagnosis and treatment of heart failure due to left ventricular systolic dysfunction. Edinburgh: SIGN Secretariat. 1999.