Gaya APA

Burhan,Penny, ., Burhan, P. (2005). General English Intermediate (cet. 6). Jakarta: PT. SiwiBakti Darma.

Gaya MLA

Burhan,Penny, ., Burhan, Penny. "General English Intermediate". cet. 6 Jakarta: PT. SiwiBakti Darma, 2005. Text.