APA aipamena

Lohr, S. L. (1999). Sampling: Design and analysis. Duxbury Press.

Chicago Style aipamena

Lohr, Sharon L. Sampling: Design and Analysis. Pacific Grove, CA: Duxbury Press, 1999.

MLA aipamena

Lohr, Sharon L. Sampling: Design and Analysis. Duxbury Press, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.