KNIGHT, J. F. Jantung sehat. Indonesia Publishing House.
Lua i Stíl Chicago (17ú heag.)KNIGHT, John F. Jantung Sehat. Bandung: Indonesia Publishing House.
Lua MLA (9ú heag.)KNIGHT, John F. Jantung Sehat. Indonesia Publishing House.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.