Interviewer's manual :
agricultural labor survey.
APA Citation
United States. Crop Reporting Board. (1978). Interviewer's manual: agricultural labor survey. [Washington, D.C.]: U.S. Dept. of Agriculture, Economics, Statistics, and Cooperatives Service, Crop Reporting Board.
MLA Citation
United States. Crop Reporting Board. Interviewer's Manual: Agricultural Labor Survey. [Washington, D.C.]: U.S. Dept. of Agriculture, Economics, Statistics, and Cooperatives Service, Crop Reporting Board, 1978.
Warning: These citations may not always be complete (especially for serials).