Lua APA (7ú heag.)

Blalock, A. B. (1968). Methodology in social research. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Blalock, Ann B. Methodology in Social Research. New York: McGraw-Hill, 1968.

Lua MLA (9ú heag.)

Blalock, Ann B. Methodology in Social Research. McGraw-Hill, 1968.

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