APA Citation

John Langan. (1997). English skills - sixth edition. Usa: Mcgraw Hill.

Chicago Style Citation

John Langan. English Skills - Sixth Edition. Usa: Mcgraw Hill, 1997.

MLA Citation

John Langan. English Skills - Sixth Edition. Usa: Mcgraw Hill, 1997.

Warning: These citations may not always be 100% accurate.