Gaya APA

Winfield, A., Smith, J, R, I. (2009). Pharmaceutical Practice E. 4 (4 ed). Edinburgh: Churchill Livingstone Elsevier.

Gaya MLA

Winfield, A.J.., Smith, J.A., Rees;, I.. "Pharmaceutical Practice E. 4". 4 ed Edinburgh: Churchill Livingstone Elsevier, 2009. Text.