Hanging Tongues: a Sociological Encounter with the Assembly Line WILLIAM

Hanging Tongues: A Sociological Encounter with the Assembly Line WILLIAM E. THOMPSON
-Thompson based this essay on:

A) reports by government (state and USDA) inspectors
B) a sociology professor's participant observation study
C) several visits to a worksite and interviews with employees in their homes
D) the personal experiences of the author while going to college
E) All of the above were "data" for Thompson