Des, R. (1972). Design of sample surveys. Mc Graw- Hill Book Company Inc.
Chicago Edition CitationDes, Raj. Design of Sample Surveys. Newyork: Mc Graw- Hill Book Company Inc, 1972.
MLA Edition CitationDes, Raj. Design of Sample Surveys. Mc Graw- Hill Book Company Inc, 1972.
Warning: These citations may not always be 100% accurate.