Gaya APA

Litt, J, Z. (2009). Litt's Drug Eruption Reference Manual Including Drug Interactions 15th Ed. (15th Ed.). : Informa Healthcare USA, Inc..

Gaya MLA

Litt, Jerome, Z.. "Litt's Drug Eruption Reference Manual Including Drug Interactions 15th Ed.". 15th Ed. : Informa Healthcare USA, Inc., 2009. Text.