Gaya APA

Orkin, S, H. (2009). Hematology of Infancy and Chidhood (7th.ed.). America: Saunders Elsevier.

Gaya MLA

Orkin, Stuart, H.. "Hematology of Infancy and Chidhood". 7th.ed. America: Saunders Elsevier, 2009. Text.