APA
Spilker B. C., . (2010). Taxation of Individuals and Business Entities. USA: McGraw -Hill/Irwin.
Chicago
Spilker Brian C, . 2010. Taxation of Individuals and Business Entities. USA: McGraw -Hill/Irwin.
Harvard
Spilker B. C., . (2010). Taxation of Individuals and Business Entities. USA: McGraw -Hill/Irwin.
MLA
Spilker Brian C, . Taxation of Individuals and Business Entities. USA: McGraw -Hill/Irwin. 2010.