Gaya APA

Clandfield, C, O, C, L, P, S, W, L. (2009). New English File Pre-Intermediate . : Oxford.

Gaya MLA

Clandfield, Clive, Oxenden,, Christina, Latham-Koenig,, Paul, Seligson,, With, Lindsay. "New English File Pre-Intermediate". : Oxford, 2009. Text.