Gaya APA

Haryanti, D, R, ,, B., Aguston, C. (2014). Class leader vs class leader (cet.4). Westport, Conn.: DAR! Mizan.

Gaya MLA

Haryanti, Dadan, Ramadhan, ,, Beby., Aguston, Claravallis. "Class leader vs class leader". cet.4 Westport, Conn.: DAR! Mizan, 2014. Text.