Opie, L. H. (2017). The five-point heart healthy lifestyle. South African Heart Association.
Cita Chicago Style (17a ed.)Opie, Lionel H. The Five-point Heart Healthy Lifestyle. South African Heart Association, 2017.
Cita MLA (8a ed.)Opie, Lionel H. The Five-point Heart Healthy Lifestyle. South African Heart Association, 2017.
Precaución: Estas citas no son 100% exactas.