Gaya APA
      Yang, Y., Al-Khafaji, M. (2010).
    Chinese Herbal Medicines : Comparisons and Characteristics ed.2 (2 ed).
    Edinburgh:
  Churchill Livingstone.
  
Gaya MLA
      Yang, Yifan., Al-Khafaji, Mazin.
    "Chinese Herbal Medicines : Comparisons and Characteristics ed.2".
    2 ed
    Edinburgh:
  Churchill Livingstone,
  2010.
  Text.