APA-čujuhus (7. p.)

Bryman, A. (2001). Social research methods. O.U.P.

Chicago-čujuhus (17. p.)

Bryman, Alan. Social Research Methods. New York: O.U.P, 2001.

MLA-čujuhus (9. p.)

Bryman, Alan. Social Research Methods. O.U.P, 2001.

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