Gaya APA

Doff, A., Driscoll, J, C, S, S, L. (2006). Speaking 2 : Teacher's Book . New Delhi: .

Gaya MLA

Doff, Adrian., Driscoll, Joanne, Collie,, Stephen, Slater,, Liz. "Speaking 2 : Teacher's Book". New Delhi: , 2006. Text.