Gaya APA

Pradana, S. (2007). English convetsations plus (Cet. 1 Ed. Revisi). Jakarta: Setia Kawan Press.

Gaya MLA

Pradana, Sonny. "English convetsations plus". Cet. 1 Ed. Revisi Jakarta: Setia Kawan Press, 2007. OEMAR SATRODIWIRJO CORNER.