APA aipamena

Wavwick, D. (1975). The sample survey: Theory & practice. McGraw Hill.

Chicago Style aipamena

Wavwick, D. The Sample Survey: Theory & Practice. NewYork: McGraw Hill, 1975.

MLA aipamena

Wavwick, D. The Sample Survey: Theory & Practice. McGraw Hill, 1975.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.