Huang Yiyuan and Nie Yitian’s “Shenshu and Fengshui Disease Recovery Theory” page 85

Huang Yiyuan, Nie Yitian, “Wujishen Numerology and Disease Theory”, second edition, page 81

Huang Yiyuan and Nie Yitian’s “Choosing a Day to Release the Secret” page 162

Huang Yiyuan and Nie Yitian’s “Feng Shui Secrets” Second Edition

Huang Yiyuan and Nie Yitian’s “Fengshui chooses a day to reveal the secrets of heaven”

Huang Yiyuan. Nie Yitian’s Fengshui chooses a day to reveal his secrets

Huang Yiyuan. Nie Yitian’s Theory of Disease Rehabilitation