APA aipamena

Des Raj. (1972). Design of sample surveys. Mc Graw-Hill Book Co.

Chicago Style aipamena

Des Raj. Design of Sample Surveys. Newyork: Mc Graw-Hill Book Co, 1972.

MLA aipamena

Des Raj. Design of Sample Surveys. Mc Graw-Hill Book Co, 1972.