Kejayaan tanpa had : 52 langkah mendapatkan imbuhan peribadi & kewangan - Hill, Napoleon, 1883-1970; Azman Ayob (Batu Caves : Thinker's Library, 1998)
Terjemahan dari: Napoleon Hill's unlimited success: 52 steps to personel & financial reward
Keywords: Success in business; Optimism; Attitude (Psychology)