An Introduction to Sociolinguistics - 7th. Edition
Ronald Wardhaugh & Janet M. Fuller
The Oxford Dictionary of English Grammar
Sylvia Chalker & David Mountfield & Edmund S. C. Weiner
The Routledge Linguistics Encyclopedia
Kirsten Malmkjær
Piaget: With Feeling : Cognitive, Social, and Emotional Dimensions
Philip A. Cowan
The Unwritten Philosophy and Other Essays
F. M. Cornford
Social Research Methods: Qualitative and Quantitative Approaches
William Lawrence Neuman