Gaya APA

Nurindrasari, D., Katzung, B, G. (2006). Basic english grammar third edition : with answer key (Ed. 3). Jena :: Pearson Education.

Gaya MLA

Nurindrasari, Diana., Katzung, Bertram, G.. "Basic english grammar third edition : with answer key". Ed. 3 Jena :: Pearson Education, 2006. Text.