Gaya APA

Nawawi, H. et al (2010,2011,2016,2017). Hukum Pajak (Ed. 7,-). Purwokerto: FKIP UMP.

Gaya MLA

Nawawi, Hadari. et al. "Hukum Pajak". Ed. 7,- Purwokerto: FKIP UMP, 2010,2011,2016,2017. Text.