Gaya APA

Abbs, A, K., Lichtman, A, H. (2011). Basic Immunology Functions and Disorders of the Immune System . philadelphia, USA: Sauders, elsevier.

Gaya MLA

Abbs, Abul, K.., Lichtman, Andrew, H.. "Basic Immunology Functions and Disorders of the Immune System". philadelphia, USA: Sauders, elsevier, 2011. Text.