APA Style

Maurer, J., SCOENBERG, I, E. (2006). FOCUS ON GRAMMAR : AN INTEGRATED SKILLS APPROACH (2nd ed). united states of america: Pearson Longman.

MLA Style

Maurer, Jay., SCOENBERG, IRENE, E.. "FOCUS ON GRAMMAR : AN INTEGRATED SKILLS APPROACH". 2nd ed united states of america: Pearson Longman, 2006. Text.