TY - BOOK AU - Langan,John AU - Johnson,Beth TI - English essentials: what every college student needs to know about grammar, punctuation, and usage T2 - The langan series SN - 0073533327 PY - 2013/// CY - Dubuque, Iowa PB - McGraw-Hill KW - English language KW - Grammar KW - Problems, exercises, etc KW - Punctuation v Problems, exercises,etc KW - Usage N1 - Includes index; Pusat Pengajian Bahasa dan Pembangunan Insaniah ER -