Knight, J. Jantung Kuat bernapas lega: Bagaimana memelihara kesehatan jantung & sistem pernapasan anda. Saint Joseph's University.
Chicago Style (17th ed.) CitationKnight, John. Jantung Kuat Bernapas Lega: Bagaimana Memelihara Kesehatan Jantung & Sistem Pernapasan Anda. Saint Joseph's University.
MLA (8th ed.) CitationKnight, John. Jantung Kuat Bernapas Lega: Bagaimana Memelihara Kesehatan Jantung & Sistem Pernapasan Anda. Saint Joseph's University.
Warning: These citations may not always be 100% accurate.